noun
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semester
|
one of two divisions of an academic year
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semester: one of two divisions of an academic year
|
trimester
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one of three divisions of an academic year
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trimester: one of three divisions of an academic year
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quarter
|
one of four periods into which the school year is divided
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quarter: one of four periods into which the school year is divided
|
gestation
|
the period during which an embryo develops (about 266 days in humans)
|
gestation: the period during which an embryo develops (about 266 days in humans)
|
term
|
the end of gestation or point at which birth is imminent
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term: the end of gestation or point at which birth is imminent
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midterm
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the middle of the gestation period
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midterm: the middle of the gestation period
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trimester
|
a period of three months; especially one of the three three-month periods into which human pregnancy is divided
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trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided
|
first_trimester
|
time period extending from the first day of the last menstrual period through 12 weeks of gestation
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first_trimester: time period extending from the first day of the last menstrual period through 12 weeks of gestation
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second_trimester
|
time period extending from the 13th to the 27th week of gestation
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second_trimester: time period extending from the 13th to the 27th week of gestation
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third_trimester
|
time period extending from the 28th week of gestation until delivery
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third_trimester: time period extending from the 28th week of gestation until delivery
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refractory_period
|
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
|
refractory_period: (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
|
bell
|
(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
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bell: (nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
|
hour
|
a period of time equal to 1/24th of a day
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hour: a period of time equal to 1/24th of a day
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half-hour
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a half of an hour
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half-hour: a half of an hour
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quarter-hour
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a quarter of an hour
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quarter-hour: a quarter of an hour
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hour
|
clock time
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hour: clock time
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none
|
a canonical hour that is the ninth hour of the day counting from sunrise
|
none: a canonical hour that is the ninth hour of the day counting from sunrise
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hour
|
a special and memorable period
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hour: a special and memorable period
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happy_hour
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the time of day when a bar sells alcoholic drinks at a reduced price
|
happy_hour: the time of day when a bar sells alcoholic drinks at a reduced price
|
rush_hour
|
the times at the beginning and end of the working day when many people are traveling to or from work
|
rush_hour: the times at the beginning and end of the working day when many people are traveling to or from work
|
zero_hour
|
the time set for the start of an action or operation
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zero_hour: the time set for the start of an action or operation
|
canonical_hour
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(Roman Catholic Church) one of seven specified times for prayer
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canonical_hour: (Roman Catholic Church) one of seven specified times for prayer
|
matins
|
the first canonical hour; at daybreak
|
matins: the first canonical hour; at daybreak
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prime
|
the second canonical hour; about 6 a.m.
|
prime: the second canonical hour; about 6 a.m.
|
terce
|
the third canonical hour; about 9 a.m.
|
terce: the third canonical hour; about 9 a.m.
|
sext
|
the fourth of the seven canonical hours; about noon
|
sext: the fourth of the seven canonical hours; about noon
|
nones
|
the fifth of the seven canonical hours; about 3 p.m.
|
nones: the fifth of the seven canonical hours; about 3 p.m.
|
vespers
|
the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays
|
vespers: the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays
|
compline
|
last of the seven canonical hours just before retiring
|
compline: last of the seven canonical hours just before retiring
|
man_hour
|
a time unit used in industry for measuring work
|
man_hour: a time unit used in industry for measuring work
|
silly_season
|
a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news
|
silly_season: a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news
|
Golden_Age
|
(classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period
|
Golden_Age: (classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period
|
silver_age
|
(classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age
|
silver_age: (classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age
|
bronze_age
|
(classical mythology) the third age of the world, marked by war and violence
|
bronze_age: (classical mythology) the third age of the world, marked by war and violence
|
Bronze_Age
|
(archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons
|
Bronze_Age: (archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons
|
iron_age
|
(classical mythology) the last and worst age of the world
|
iron_age: (classical mythology) the last and worst age of the world
|
Iron_Age
|
(archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons
|
Iron_Age: (archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons
|
Stone_Age
|
(archeology) the earliest known period of human culture, characterized by the use of stone implements
|
Stone_Age: (archeology) the earliest known period of human culture, characterized by the use of stone implements
|
Eolithic_Age
|
the earliest part of the Stone Age marked by the earliest signs of human culture
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Eolithic_Age: the earliest part of the Stone Age marked by the earliest signs of human culture
|
Paleolithic_Age
|
second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC
|
Paleolithic_Age: second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC
|
Lower_Paleolithic
|
the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago
|
Lower_Paleolithic: the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago
|
Middle_Paleolithic
|
the time period of Neanderthal man; ended about 35,000 years BC
|
Middle_Paleolithic: the time period of Neanderthal man; ended about 35,000 years BC
|
Upper_Paleolithic
|
the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC
|
Upper_Paleolithic: the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC
|
Mesolithic_Age
|
middle part of the Stone Age beginning about 15,000 years ago
|
Mesolithic_Age: middle part of the Stone Age beginning about 15,000 years ago
|
Neolithic_Age
|
latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere)
|
Neolithic_Age: latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere)
|
great_year
|
time required for one complete cycle of the precession of the equinoxes, about 25,800 years
|
great_year: time required for one complete cycle of the precession of the equinoxes, about 25,800 years
|
regulation_time
|
(sports) the normal prescribed duration of a game
|
regulation_time: (sports) the normal prescribed duration of a game
|
overtime
|
playing time beyond regulation, to break a tie
|
overtime: playing time beyond regulation, to break a tie
|
extra_innings
|
overtime play until one team is ahead at the end of an inning; e.g. baseball
|
extra_innings: overtime play until one team is ahead at the end of an inning; e.g. baseball
|
overtime_period
|
a period of overtime play to resolve a tie; e.g. basketball
|
overtime_period: a period of overtime play to resolve a tie; e.g. basketball
|
tiebreaker
|
overtime play in order to break a tie; e.g. tennis and soccer
|
tiebreaker: overtime play in order to break a tie; e.g. tennis and soccer
|
sudden_death
|
(sports) overtime in which play is stopped as soon as one contestant scores; e.g. football and golf
|
sudden_death: (sports) overtime in which play is stopped as soon as one contestant scores; e.g. football and golf
|
minute
|
a unit of time equal to 60 seconds or 1/60th of an hour
|
minute: a unit of time equal to 60 seconds or 1/60th of an hour
|
quarter
|
a unit of time equal to 15 minutes or a quarter of an hour
|
quarter: a unit of time equal to 15 minutes or a quarter of an hour
|
second
|
1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
|
second: 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
|
leap_second
|
a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation
|
leap_second: a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation
|
attosecond
|
one quintillionth (10^-18) of a second; one thousandth of a femtosecond
|
attosecond: one quintillionth (10^-18) of a second; one thousandth of a femtosecond
|
femtosecond
|
one quadrillionth (10^-15) of a second; one thousandth of a picosecond
|
femtosecond: one quadrillionth (10^-15) of a second; one thousandth of a picosecond
|
picosecond
|
one trillionth (10^-12) of a second; one thousandth of a nanosecond
|
picosecond: one trillionth (10^-12) of a second; one thousandth of a nanosecond
|
nanosecond
|
one billionth (10^-9) of a second; one thousandth of a microsecond
|
nanosecond: one billionth (10^-9) of a second; one thousandth of a microsecond
|
microsecond
|
one millionth (10^-6) of a second; one thousandth of a millisecond
|
microsecond: one millionth (10^-6) of a second; one thousandth of a millisecond
|
millisecond
|
one thousandth (10^-3) of a second
|
millisecond: one thousandth (10^-3) of a second
|
season
|
one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions
|
season: one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions
|
fall
|
the season when the leaves fall from the trees
|
fall: the season when the leaves fall from the trees
|
spring
|
the season of growth
|
spring: the season of growth
|
summer
|
the warmest season of the year; in the northern hemisphere it extends from the summer solstice to the autumnal equinox
|
summer: the warmest season of the year; in the northern hemisphere it extends from the summer solstice to the autumnal equinox
|
dog_days
|
the hot period between early July and early September; a period of inactivity
|
dog_days: the hot period between early July and early September; a period of inactivity
|
winter
|
the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox
|
winter: the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox
|
midwinter
|
the middle of winter
|
midwinter: the middle of winter
|
growing_season
|
the season during which a crop grows best
|
growing_season: the season during which a crop grows best
|
seedtime
|
the time during which seeds should be planted
|
seedtime: the time during which seeds should be planted
|
sheepshearing
|
the time or season when sheep are sheared
|
sheepshearing: the time or season when sheep are sheared
|
holiday_season
|
a time when many people take holidays
|
holiday_season: a time when many people take holidays
|
high_season
|
the season when travel is most active and rates are highest
|
high_season: the season when travel is most active and rates are highest
|
off-season
|
the season when travel is least active and rates are lowest
|
off-season: the season when travel is least active and rates are lowest
|
rainy_season
|
one of the two seasons in tropical climates
|
rainy_season: one of the two seasons in tropical climates
|
monsoon
|
rainy season in southern Asia when the southwestern monsoon blows, bringing heavy rains
|
monsoon: rainy season in southern Asia when the southwestern monsoon blows, bringing heavy rains
|
dry_season
|
one of the two seasons in tropical climates
|
dry_season: one of the two seasons in tropical climates
|
season
|
a recurrent time marked by major holidays
|
season: a recurrent time marked by major holidays
|
season
|
a period of the year marked by special events or activities in some field
|
season: a period of the year marked by special events or activities in some field
|
preseason
|
a period prior to the beginning of the regular season which is devoted to training and preparation
|
preseason: a period prior to the beginning of the regular season which is devoted to training and preparation
|
spring_training
|
preseason training during the spring
|
spring_training: preseason training during the spring
|
baseball_season
|
the season when baseball is played
|
baseball_season: the season when baseball is played
|
triple-crown_season
|
a season of baseball during which a player wins the triple crown
|
triple-crown_season: a season of baseball during which a player wins the triple crown
|
basketball_season
|
the season when basketball is played
|
basketball_season: the season when basketball is played
|
exhibition_season
|
the time before the regular games begin when football or baseball teams play practice games
|
exhibition_season: the time before the regular games begin when football or baseball teams play practice games
|
fishing_season
|
the season during which it is legal to catch fish
|
fishing_season: the season during which it is legal to catch fish
|
football_season
|
the season when football is played
|
football_season: the season when football is played
|
hockey_season
|
the season when hockey is played
|
hockey_season: the season when hockey is played
|
hunting_season
|
the season during which it is legal to kill a particular species
|
hunting_season: the season during which it is legal to kill a particular species
|
social_season
|
the season for major social events
|
social_season: the season for major social events
|
theatrical_season
|
the season when new plays are produced
|
theatrical_season: the season when new plays are produced
|
Advent
|
the season including the four Sundays preceding Christmas
|
Advent: the season including the four Sundays preceding Christmas
|
Advent_Sunday
|
the first of the four Sundays during Advent
|
Advent_Sunday: the first of the four Sundays during Advent
|
Shrovetide
|
immediately preceding Lent
|
Shrovetide: immediately preceding Lent
|
Mardi_Gras
|
the last day before Lent
|
Mardi_Gras: the last day before Lent
|
Lent
|
a period of 40 weekdays from Ash Wednesday to Holy Saturday
|
Lent: a period of 40 weekdays from Ash Wednesday to Holy Saturday
|
Pentecost
|
seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland
|
Pentecost: seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland
|
Whitmonday
|
the day after Whitsunday; a legal holiday in England and Wales and Ireland
|
Whitmonday: the day after Whitsunday; a legal holiday in England and Wales and Ireland
|
Whit-Tuesday
|
the day after Whitmonday
|
Whit-Tuesday: the day after Whitmonday
|
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