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ungradable_opposition
an opposition that has no intermediate grade; either one or the other
ungradable_opposition: an opposition that has no intermediate grade; either one or the other
complementarity
a relation between two opposite states or principles that together exhaust the possibilities
complementarity: a relation between two opposite states or principles that together exhaust the possibilities
contradictoriness
the relation that exists when opposites cannot coexist
contradictoriness: the relation that exists when opposites cannot coexist
contradiction
opposition between two conflicting forces or ideas
contradiction: opposition between two conflicting forces or ideas
dialectic
a contradiction of ideas that serves as the determining factor in their interaction
dialectic: a contradiction of ideas that serves as the determining factor in their interaction
incompatibility
the relation between propositions that cannot both be true at the same time
incompatibility: the relation between propositions that cannot both be true at the same time
contrary
exact opposition
contrary: exact opposition
contrariety
the relation between contraries
contrariety: the relation between contraries
tertium_quid
some third thing similar to two opposites but distinct from both
tertium_quid: some third thing similar to two opposites but distinct from both
reverse
a relation of direct opposition
reverse: a relation of direct opposition
inverse
something inverted in sequence or character or effect
inverse: something inverted in sequence or character or effect
change
a relational difference between states; especially between states before and after some event
change: a relational difference between states; especially between states before and after some event
difference
a significant change
difference: a significant change
gradient
a graded change in the magnitude of some physical quantity or dimension
gradient: a graded change in the magnitude of some physical quantity or dimension
concentration_gradient
a gradient in concentration of a solute as a function of distance through a solution
concentration_gradient: a gradient in concentration of a solute as a function of distance through a solution
gravity_gradient
a gradient in the gravitational forces acting on different parts of a nonspherical object
gravity_gradient: a gradient in the gravitational forces acting on different parts of a nonspherical object
temperature_gradient
change in temperature as a function of distance (especially altitude)
temperature_gradient: change in temperature as a function of distance (especially altitude)
implication
a logical relation between propositions p and q of the form `if p then q'; if p is true then q cannot be false
implication: a logical relation between propositions p and q of the form `if p then q'; if p is true then q cannot be false
antagonism
the relation between opposing principles or forces or factors
antagonism: the relation between opposing principles or forces or factors
solid
a three-dimensional shape
solid: a three-dimensional shape
plane
(mathematics) an unbounded two-dimensional shape
plane: (mathematics) an unbounded two-dimensional shape
Cartesian_plane
a plane in which all points can be described in Cartesian coordinates
Cartesian_plane: a plane in which all points can be described in Cartesian coordinates
facet_plane
the plane of a facet of an object (as of a cube)
facet_plane: the plane of a facet of an object (as of a cube)
midplane
the median plane of the body (or some part of the body)
midplane: the median plane of the body (or some part of the body)
orbital_plane
(astronomy) the plane on which a body is orbiting
orbital_plane: (astronomy) the plane on which a body is orbiting
picture_plane
the plane that is in the foreground of a drawing or painting; coextensive with but different from the objective surface of the work
picture_plane: the plane that is in the foreground of a drawing or painting; coextensive with but different from the objective surface of the work
tangent_plane
the plane that contains all the lines tangent to a specific point on a surface
tangent_plane: the plane that contains all the lines tangent to a specific point on a surface
natural_shape
a shape created by natural forces; not man-made
natural_shape: a shape created by natural forces; not man-made
leaf_shape
any of the various shape that leaves of plants can assume
leaf_shape: any of the various shape that leaves of plants can assume
equilateral
a figure whose sides are all equal
equilateral: a figure whose sides are all equal
flare
a shape that spreads outward
flare: a shape that spreads outward
figure
a combination of points and lines and planes that form a visible palpable shape
figure: a combination of points and lines and planes that form a visible palpable shape
pencil
a figure formed by a set of straight lines or light rays meeting at a point
pencil: a figure formed by a set of straight lines or light rays meeting at a point
plane_figure
a two-dimensional shape
plane_figure: a two-dimensional shape
solid_figure
a three-dimensional shape
solid_figure: a three-dimensional shape
subfigure
a figure that is a part of another figure
subfigure: a figure that is a part of another figure
line
a length (straight or curved) without breadth or thickness; the trace of a moving point
line: a length (straight or curved) without breadth or thickness; the trace of a moving point
bulb
anything with a round shape resembling a teardrop
bulb: anything with a round shape resembling a teardrop
convex_shape
a shape that curves or bulges outward
convex_shape: a shape that curves or bulges outward
camber
a slight convexity (as of the surface of a road)
camber: a slight convexity (as of the surface of a road)
entasis
a slight convexity in the shaft of a column; compensates for the illusion of concavity that viewers experience when the sides are perfectly straight
entasis: a slight convexity in the shaft of a column; compensates for the illusion of concavity that viewers experience when the sides are perfectly straight
angular_shape
a shape having one or more sharp angles
angular_shape: a shape having one or more sharp angles
concave_shape
a shape that curves or bends inward
concave_shape: a shape that curves or bends inward
cylinder
a solid bounded by a cylindrical surface and two parallel planes (the bases)
cylinder: a solid bounded by a cylindrical surface and two parallel planes (the bases)
round_shape
a shape that is curved and without sharp angles
round_shape: a shape that is curved and without sharp angles
conglomeration
a rounded spherical form
conglomeration: a rounded spherical form
heart
a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines
heart: a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines
polygon
a closed plane figure bounded by straight sides
polygon: a closed plane figure bounded by straight sides
isogon
an equiangular polygon
isogon: an equiangular polygon
convex_polygon
a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points
convex_polygon: a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points
concave_polygon
a polygon such that there is a straight line that cuts it in four or more points
concave_polygon: a polygon such that there is a straight line that cuts it in four or more points
reentrant_polygon
a polygon with one or more reentrant angles
reentrant_polygon: a polygon with one or more reentrant angles
regular_polygon
a polygon with all sides and all angles equal
regular_polygon: a polygon with all sides and all angles equal
distorted_shape
a shape resulting from distortion
distorted_shape: a shape resulting from distortion
amorphous_shape
an ill-defined or arbitrary shape
amorphous_shape: an ill-defined or arbitrary shape
curve
the trace of a point whose direction of motion changes
curve: the trace of a point whose direction of motion changes
closed_curve
a curve (such as a circle) having no endpoints
closed_curve: a curve (such as a circle) having no endpoints
simple_closed_curve
a closed curve that does not intersect itself
simple_closed_curve: a closed curve that does not intersect itself
S-shape
a double curve resembling the letter S
S-shape: a double curve resembling the letter S
catenary
the curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density and cross section hanging freely from two fixed points
catenary: the curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density and cross section hanging freely from two fixed points
Cupid's_bow
the double curve of the upper lip when considered to resemble Cupid's bow
Cupid's_bow: the double curve of the upper lip when considered to resemble Cupid's bow
wave
an undulating curve
wave: an undulating curve
extrados
the exterior curve of an arch
extrados: the exterior curve of an arch
gooseneck
something in a thin curved form (like the neck of a goose)
gooseneck: something in a thin curved form (like the neck of a goose)
intrados
the interior curve of an arch
intrados: the interior curve of an arch
bend
a circular segment of a curve
bend: a circular segment of a curve
hook
a sharp curve or crook; a shape resembling a hook
hook: a sharp curve or crook; a shape resembling a hook
uncus
(biology) any hook-shaped process or part
uncus: (biology) any hook-shaped process or part
envelope
a curve that is tangent to each of a family of curves
envelope: a curve that is tangent to each of a family of curves
bight
a bend or curve (especially in a coastline)
bight: a bend or curve (especially in a coastline)
straight_line
a line traced by a point traveling in a constant direction; a line of zero curvature
straight_line: a line traced by a point traveling in a constant direction; a line of zero curvature
geodesic
(mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere)
geodesic: (mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere)
perpendicular
a straight line at right angles to another line
perpendicular: a straight line at right angles to another line
connection
a connecting shape
connection: a connecting shape
asymptote
a straight line that is the limiting value of a curve; can be considered as tangent at infinity
asymptote: a straight line that is the limiting value of a curve; can be considered as tangent at infinity
tangent
a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
tangent: a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
secant
a straight line that intersects a curve at two or more points
secant: a straight line that intersects a curve at two or more points
perimeter
a line enclosing a plane areas
perimeter: a line enclosing a plane areas
radius
a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
radius: a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
diameter
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
diameter: a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
centerline
a line that bisects a plane figure
centerline: a line that bisects a plane figure
dome
a concave shape whose distinguishing characteristic is that the concavity faces downward
dome: a concave shape whose distinguishing characteristic is that the concavity faces downward
pit
a concavity in a surface (especially an anatomical depression)
pit: a concavity in a surface (especially an anatomical depression)
recess
a small concavity
recess: a small concavity
cone
a shape whose base is a circle and whose sides taper up to a point
cone: a shape whose base is a circle and whose sides taper up to a point
funnel
a conical shape with a wider and a narrower opening at the two ends
funnel: a conical shape with a wider and a narrower opening at the two ends
conic_section
(geometry) a curve generated by the intersection of a plane and a circular cone
conic_section: (geometry) a curve generated by the intersection of a plane and a circular cone
intersection
a point or set of points common to two or more geometric configurations
intersection: a point or set of points common to two or more geometric configurations
oblong
a plane figure that deviates from a square or circle due to elongation
oblong: a plane figure that deviates from a square or circle due to elongation
circle
ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
circlet
a small circle
circlet: a small circle
circle
something approximating the shape of a circle
circle: something approximating the shape of a circle
equator
a circle dividing a sphere or other surface into two usually equal and symmetrical parts
equator: a circle dividing a sphere or other surface into two usually equal and symmetrical parts
semicircle
a plane figure with the shape of half a circle
semicircle: a plane figure with the shape of half a circle
arc
a continuous portion of a circle
arc: a continuous portion of a circle
scallop
one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
scallop: one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
chord
a straight line connecting two points on a curve
chord: a straight line connecting two points on a curve
sector
a plane figure bounded by two radii and the included arc of a circle
sector: a plane figure bounded by two radii and the included arc of a circle
disk
something with a round shape resembling a flat circular plate
disk: something with a round shape resembling a flat circular plate
ring
a toroidal shape
ring: a toroidal shape