noun
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perigon
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an angle of 360 degrees
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perigon: an angle of 360 degrees
|
cutting_angle
|
the angle between the face of a cutting tool and the surface of the work
|
cutting_angle: the angle between the face of a cutting tool and the surface of the work
|
dip
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(physics) the angle that a magnetic needle makes with the plane of the horizon
|
dip: (physics) the angle that a magnetic needle makes with the plane of the horizon
|
lead
|
the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile)
|
lead: the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile)
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magnetic_declination
|
the angle (at a particular location) between magnetic north and true north
|
magnetic_declination: the angle (at a particular location) between magnetic north and true north
|
azimuth
|
the azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian
|
azimuth: the azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian
|
bowl
|
a concave shape with an open top
|
bowl: a concave shape with an open top
|
groove
|
a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
|
groove: a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
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rut
|
a groove or furrow (especially one in soft earth caused by wheels)
|
rut: a groove or furrow (especially one in soft earth caused by wheels)
|
scoop
|
a hollow concave shape made by removing something
|
scoop: a hollow concave shape made by removing something
|
bulge
|
something that bulges out or is protuberant or projects from its surroundings
|
bulge: something that bulges out or is protuberant or projects from its surroundings
|
belly
|
a part that bulges deeply
|
belly: a part that bulges deeply
|
caput
|
a headlike protuberance on an organ or structure
|
caput: a headlike protuberance on an organ or structure
|
mogul
|
a bump on a ski slope
|
mogul: a bump on a ski slope
|
nub
|
a small lump or protuberance
|
nub: a small lump or protuberance
|
snag
|
a sharp protuberance
|
snag: a sharp protuberance
|
wart
|
any small rounded protuberance (as on certain plants or animals)
|
wart: any small rounded protuberance (as on certain plants or animals)
|
node
|
any thickened enlargement
|
node: any thickened enlargement
|
bow
|
something curved in shape
|
bow: something curved in shape
|
crescent
|
any shape resembling the curved shape of the moon in its first or last quarters
|
crescent: any shape resembling the curved shape of the moon in its first or last quarters
|
depression
|
a concavity in a surface produced by pressing
|
depression: a concavity in a surface produced by pressing
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dimple
|
any slight depression in a surface
|
dimple: any slight depression in a surface
|
hyperboloid
|
a quadric surface generated by rotating a hyperbola around its main axis
|
hyperboloid: a quadric surface generated by rotating a hyperbola around its main axis
|
paraboloid
|
a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis
|
paraboloid: a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis
|
ellipsoid
|
a surface whose plane sections are all ellipses or circles
|
ellipsoid: a surface whose plane sections are all ellipses or circles
|
flank
|
a subfigure consisting of a side of something
|
flank: a subfigure consisting of a side of something
|
hypotenuse
|
the side of a right triangle opposite the right angle
|
hypotenuse: the side of a right triangle opposite the right angle
|
altitude
|
the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
|
altitude: the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
|
base
|
the bottom side of a geometric figure from which the altitude can be constructed
|
base: the bottom side of a geometric figure from which the altitude can be constructed
|
balance
|
equality of distribution
|
balance: equality of distribution
|
conformation
|
a symmetrical arrangement of the parts of a thing
|
conformation: a symmetrical arrangement of the parts of a thing
|
symmetry
|
balance among the parts of something
|
symmetry: balance among the parts of something
|
disproportion
|
lack of proportion; imbalance among the parts of something
|
disproportion: lack of proportion; imbalance among the parts of something
|
spheroid
|
a shape that is generated by rotating an ellipse around one of its axes
|
spheroid: a shape that is generated by rotating an ellipse around one of its axes
|
sphere
|
a three-dimensional closed surface such that every point on the surface is equidistant from the center
|
sphere: a three-dimensional closed surface such that every point on the surface is equidistant from the center
|
hemisphere
|
half of a sphere
|
hemisphere: half of a sphere
|
sphere
|
a solid figure bounded by a spherical surface (including the space it encloses)
|
sphere: a solid figure bounded by a spherical surface (including the space it encloses)
|
ball
|
an object with a spherical shape
|
ball: an object with a spherical shape
|
spherule
|
a small sphere
|
spherule: a small sphere
|
cylinder
|
a surface generated by rotating a parallel line around a fixed line
|
cylinder: a surface generated by rotating a parallel line around a fixed line
|
torus
|
a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
|
torus: a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
|
toroid
|
the doughnut-shaped object enclosed by a torus
|
toroid: the doughnut-shaped object enclosed by a torus
|
column
|
anything that approximates the shape of a column or tower
|
column: anything that approximates the shape of a column or tower
|
plume
|
anything that resembles a feather in shape or lightness
|
plume: anything that resembles a feather in shape or lightness
|
columella
|
a small column (or structure resembling a column) that is a part of a plant or animal
|
columella: a small column (or structure resembling a column) that is a part of a plant or animal
|
hoodoo
|
(geology) a column of weathered and unusually shaped rock
|
hoodoo: (geology) a column of weathered and unusually shaped rock
|
barrel
|
a bulging cylindrical shape; hollow with flat ends
|
barrel: a bulging cylindrical shape; hollow with flat ends
|
pipe
|
a hollow cylindrical shape
|
pipe: a hollow cylindrical shape
|
pellet
|
a small sphere
|
pellet: a small sphere
|
bolus
|
a small round soft mass (as of chewed food)
|
bolus: a small round soft mass (as of chewed food)
|
drop
|
a shape that is spherical and small
|
drop: a shape that is spherical and small
|
dewdrop
|
a drop of dew
|
dewdrop: a drop of dew
|
teardrop
|
anything shaped like a falling drop (as a pendant gem on an earring)
|
teardrop: anything shaped like a falling drop (as a pendant gem on an earring)
|
ridge
|
any long raised strip
|
ridge: any long raised strip
|
corrugation
|
a ridge on a corrugated surface
|
corrugation: a ridge on a corrugated surface
|
rim
|
the shape of a raised edge of a more or less circular object
|
rim: the shape of a raised edge of a more or less circular object
|
point
|
a V shape
|
point: a V shape
|
taper
|
a convex shape that narrows toward a point
|
taper: a convex shape that narrows toward a point
|
quadric
|
a curve or surface whose equation (in Cartesian coordinates) is of the second degree
|
quadric: a curve or surface whose equation (in Cartesian coordinates) is of the second degree
|
boundary
|
a line determining the limits of an area
|
boundary: a line determining the limits of an area
|
margin
|
the boundary line or the area immediately inside the boundary
|
margin: the boundary line or the area immediately inside the boundary
|
periphery
|
the outside boundary or surface of something
|
periphery: the outside boundary or surface of something
|
brink
|
a region marking a boundary
|
brink: a region marking a boundary
|
upper_bound
|
(mathematics) a number equal to or greater than any other number in a given set
|
upper_bound: (mathematics) a number equal to or greater than any other number in a given set
|
lower_bound
|
(mathematics) a number equal to or less than any other number in a given set
|
lower_bound: (mathematics) a number equal to or less than any other number in a given set
|
diagonal
|
a line or cut across a fabric that is not at right angles to a side of the fabric
|
diagonal: a line or cut across a fabric that is not at right angles to a side of the fabric
|
diagonal
|
(geometry) a straight line connecting any two vertices of a polygon that are not adjacent
|
diagonal: (geometry) a straight line connecting any two vertices of a polygon that are not adjacent
|
dip
|
a depression in an otherwise level surface
|
dip: a depression in an otherwise level surface
|
cup
|
any cup-shaped concavity
|
cup: any cup-shaped concavity
|
incision
|
a depression scratched or carved into a surface
|
incision: a depression scratched or carved into a surface
|
incisure
|
(anatomy) a notch or small hollow
|
incisure: (anatomy) a notch or small hollow
|
notch
|
a V-shaped indentation
|
notch: a V-shaped indentation
|
score
|
a slight surface cut (especially a notch that is made to keep a tally)
|
score: a slight surface cut (especially a notch that is made to keep a tally)
|
sag
|
a shape that sags
|
sag: a shape that sags
|
wrinkle
|
a slight depression in the smoothness of a surface
|
wrinkle: a slight depression in the smoothness of a surface
|
crow's_foot
|
a wrinkle in the skin at the outer corner of your eyes
|
crow's_foot: a wrinkle in the skin at the outer corner of your eyes
|
dermatoglyphic
|
the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet)
|
dermatoglyphic: the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet)
|
frown_line
|
a facial wrinkle associated with frowning
|
frown_line: a facial wrinkle associated with frowning
|
line_of_life
|
a crease on the palm; its length is said by palmists to indicate how long you will live
|
line_of_life: a crease on the palm; its length is said by palmists to indicate how long you will live
|
line_of_heart
|
a crease on the palm; palmists say it indicates your emotional nature
|
line_of_heart: a crease on the palm; palmists say it indicates your emotional nature
|
line_of_fate
|
a crease on the palm; palmists say it indicates how successful you will be
|
line_of_fate: a crease on the palm; palmists say it indicates how successful you will be
|
crevice
|
a long narrow depression in a surface
|
crevice: a long narrow depression in a surface
|
fold
|
an angular or rounded shape made by folding
|
fold: an angular or rounded shape made by folding
|
pucker
|
an irregular fold in an otherwise even surface (as in cloth)
|
pucker: an irregular fold in an otherwise even surface (as in cloth)
|
indentation
|
a concave cut into a surface or edge (as in a coastline)
|
indentation: a concave cut into a surface or edge (as in a coastline)
|
cleft
|
a split or indentation in something (as the palate or chin)
|
cleft: a split or indentation in something (as the palate or chin)
|
stria
|
any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue
|
stria: any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue
|
roulette
|
a line generated by a point on one figure rolling around a second figure
|
roulette: a line generated by a point on one figure rolling around a second figure
|
cycloid
|
a line generated by a point on a circle rolling along a straight line
|
cycloid: a line generated by a point on a circle rolling along a straight line
|
curate_cycloid
|
a cycloid generated by a point inside the rolling circle
|
curate_cycloid: a cycloid generated by a point inside the rolling circle
|
prolate_cycloid
|
a cycloid generated by a point outside the rolling circle
|
prolate_cycloid: a cycloid generated by a point outside the rolling circle
|
sine_curve
|
the curve of y=sin x
|
sine_curve: the curve of y=sin x
|
epicycle
|
a circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid
|
epicycle: a circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid
|
epicycloid
|
a line generated by a point on a circle rolling around another circle
|
epicycloid: a line generated by a point on a circle rolling around another circle
|
cardioid
|
an epicycloid in which the rolling circle equals the fixed circle
|
cardioid: an epicycloid in which the rolling circle equals the fixed circle
|
hypocycloid
|
a line generated by a point on a circle that rolls around inside another circle
|
hypocycloid: a line generated by a point on a circle that rolls around inside another circle
|
shapelessness
|
an amorphous or indefinite shape
|
shapelessness: an amorphous or indefinite shape
|
blob
|
an indistinct shapeless form
|
blob: an indistinct shapeless form
|
void
|
an empty area or space
|
void: an empty area or space
|
space
|
an empty area (usually bounded in some way between things)
|
space: an empty area (usually bounded in some way between things)
|
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