geometry terms

-choron
-gon
abscissa
absolute
accent
accent mark
acnode
acutangular
acute
acute triangle
acute-angled
affine geometry
agonic
alternate angles
altitude
analytic geometry
angle
angle bisector
annulus
anticomplementary
antimedial
antiparallel
antipole
apex
Apollonian circle
apothem
arbelos
arc
Archimedean solid
arclength
astroid
axis
axis of symmetry
barycenter
base
bialtitude
bicone
bisect
bisector
cantellation
capacitary
cardioid
Cartesian coordinate
Cartesian plane
Cassini oval
catenary
catenoid
cathetus
cell
center
central angle
chiliagon
chiliahedron
chord
circle
circle segment
circular arc
circular sector
circular segment
circumcenter
circumference
circumscribe
cissoid
coaxial
complementary angles
complex
concentric
cone
confluent
conic
conic section
conical
conjugate angles
conoid
construction
contingence
covertex
cross-ratio
crunodal
crunode
cube
cubic
cuboctahedral
cuboctahedron
cuboid
cuboidal
curvative
curve
cusp
cyclic quadrilateral
cyclohedron
cycloid
cyclometry
cylinder
cylindroid
decagon
decomino
degree
describent
diagonal
diameter
diamond
Didonia
differential geometry
dihedral angle
dimension
directrix
disphenoid
divine proportion
dodecadodecahedron
dodecagon
dodecahedron
domino
dual
ecliptic
edge
ellipse
elliptic
enneagon
enneagonal
enneahedral
enneahedron
envelope
epicycloid
equiangular
equidecomposability
equilateral
equilateral triangle
equivalent
Euclidean
Euclidean distance
Euclidean geometry
evolvent
excess
excircle
explementary
explementary angles
exterior angle
face
flat
flexagon
folium
full circle
generant
generation
generatrix
gnomon
golden ratio
golden section
great circle
groin
half-line
half-ray
halfspace
hemicube
hemiellipse
hemiellipsoid
hemiequilateral
hemisphere
hendecagon
hendecagonal
hendecahedron
heptacontagon
heptagon
heptomino
hexagonal
hexahedron
hexatetrahedron
hexiamond
hexoctahedron
hexomino
homaloidal
homography
horoball
horocycle
horocyclic
hyperbola
hypercone
hypercube
hyperellipse
hyperplane
hyperrectangle
hypersphere
hypervolume
hypocycloid
hypoellipse
hypotenuse
hypotrochoid
icosahedron
icosasphere
icosihenagon
incircle
inclination
indivisible
inscribable
inscribe
interior angle
intersection
intersphere
involute
isocapacitary
isogonal
isogonic
isohedral
isoperimetric
isoptic
isosceles
isosceles triangle
Kepler solid
kite
lateral area
latus rectum
Lemoine hexagon
lens
limaçon
limaçon of Pascal
line of centers
line of striction
line segment
linear pair
lituus
major axis
mediatrix
moniamond
monogon
monomino
multilobe
n-iamond
n-omino
nestohedron
net
node
non-Euclidean geometry
nonagon
noneuclidean geometry
nonomino
normal
oblatum
oblique
oblique angle
oblique line
obround
obtuse
obtuse triangle
obtuse-angled
octagon
octagonal
octahedron
octant
octomino
oligomery
orthant
orthocenter
orthocentric
orthodrome
orthogon
orthogonal
orthoptic
orthotomic
orthotomy
orthotope
osculatory
osculatrix
oxygon
parabola
paracentric
parallelepiped
parallelogram
parameter
pedal curve
pencil
pentacron
pentagon
pentamery
pentiamond
pentomino
perigon
perpendicular
plane
plane angle
Platonic solid
pole
polyabolo
polyacron
polycube
polydrafter
polyform
polygon
polyhedron
polyhex
polyiamond
polymery
polyomino
polystick
polytan
polytope
porism
prism
prismoid
projection
projective plane
prototile
psc
pseudocubic
pseudosphere
pyramid
pyramidal
pyramidoid
pyramoid
Pythagorean theorem
quadrangle
quadrant
quadrantal
quadrate
quindecagonal
radian
radius
rectangle
regular tessellation
retrosnub
Reuleaux triangle
rhombicosidodecahedron
rhombille
rhombus
right angle
right triangle
right-angled triangle
rigidification
ring
roll
round angle
sagitta
sail curve
salinon
scalene triangle
scroll
secant
sector
segment
semiangle
semilune
semimajor
semimajor axis
semiparabola
semiregular
semiregular tessellation
semitangent
septangle
sextant
sigmoid
skeleton
solid
solid angle
solidity
sphere
spherical
spherical angle
spherical cap
spherical geometry
spherical lune
spherical wedge
sphericon
spheroconic
spiral
spire
spread
square
square pyramid
square the circle
squircle
star
Steiner point
stellated
steradian
straight line
subcardioid
subconical
subfigure
subnormal
subsegment
subtangent
subtense
supercircle
superegg
superficies
superposability
superquadric
supershape
supplement
supplementary angles
Talyrond
tangent
taxicab geometry
tetracontagon
tetrahedralizable
tetrahedron
tetriamond
tetromino
tomahawk
tore
tractory
tractricoid
translationary
transverse
trapezoid
triamond
triangle
tridecagonal
trident
trihedral
trihexagonal
trimery
triomino
triquadrantal
tromino
truncate
truncated icosahedron
truncation
truncus
umbilic
umbilicus
undecagon
ungula
unit circle
vertex
witch
Zariski topology
zero-dimensional
zone
zonohedron
zonotope