absis

(geometry, surveying) the first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes.

(geometry, surveying) the horizontal line representing an axis of a Cartesian coordinate system, on which the abscissa (sense above) is shown.


basis

From Dutch basis, from Latin basis, from Ancient Greek βάσις (básis). Doublet of basa.

(geometry) the lowest side of a in a triangle or other polygon, or the lowest face of a cone, pyramid or other polyhedron laid flat.


median

From Dutch mediaan, from Latin medianus (“of or pertaining to the middle”, adjective), from medius (“middle”) (see medium), from Proto-Indo-European *médʰyos (“middle”). Doublet of madya.

der

(geometry) a line segment joining the vertex of triangle to the midpoint of the opposing side.


diameter

From Dutch diameter, from French diamètre, from Latin diametrus, from Ancient Greek διάμετρος (diámetros).


parabola

Learned borrowing from New Latin parabola, from Ancient Greek παραβολή (parabolḗ). Doublet of parabel.

lbor

(geometry) parabola, the conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).


piramida

Internationalism. Borrowed from Dutch piramide, from French pyramide, from Old French piramide, from Latin pȳramis, pȳramidis, from Ancient Greek πῡραμίς (pūramís), possibly from πῡρός (pūrós, “wheat”) + ἀμάω (amáō, “reap”) or from Egyptian pr-m-ws (“height of a pyramid”), from pr (“(one that) comes forth”) + m (“from”) + ws (“height”).

der

(geometry) a solid with triangular lateral faces and a polygonal (often square or rectangular) base.


poros

(geometry) an imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry).


limas

Inherited from Malay limas, from Classical Malay ليمس (limas), from Proto-Malayo-Polynesian *limas.


hipotenusa

Borrowed from Dutch hypotenusa, from Latin hypotenusa, from Ancient Greek ὑποτείνουσα πλευρά (hupoteínousa pleurá, “side subtending [the right angle]”), from ὑποτείνουσα (hupoteínousa, “stretching, extending, subtending”), active participle of ὑποτείνω (hupoteínō, “subtend, stretch under”).

ὑποτείνουσα πλευρά


akut

From Dutch acuut (“acute”), from Latin acūtus.

(geometry) of an angle: less than 90 degrees.

acute:
of an angle: less than 90 degrees.


lingkaran

* Affixed form of lingkar + -an
* Semantic loan from Dutch kring (literally “circle”).

sl

(geometry) a two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).


kubus

From Dutch kubus, from Latin cubus, from Ancient Greek κύβος (kúbos).


sektor

sèktor (canonical)
sektor-sektor (plural)

(mathematics, geometry) part of a circle, extending to the center.


busur

From Malay busur, from Proto-Malayic *busur, from Proto-Malayo-Polynesian *busuʀ, from Proto-Austronesian *busuʀ.

(Standard Malay)

(geometry) arc: continuous part of the circumference of a circle (circular arc) or of another curve.


sisi

(geometry) face: any of the flat bounding surfaces of a polyhedron. More generally, any of the bounding pieces of a polytope of any dimension


konus

Learned borrowing from Latin cōnus (“cone”), from Ancient Greek κῶνος (kônos).

lbor

(geometry) cone: A surface of revolution formed by rotating a segment of a line around another line that intersects the first line; A solid of revolution formed by rotating a triangle around one of its altitudes.


rusuk

From Malay rusuk, from Proto-Malayo-Polynesian *ʀusuk (“rib”), from Proto-Austronesian *ʀusuk (“rib”).

(geometry) A one-dimensional face of a polytope. In particular, the joining line between two vertices of a polygon; the place where two faces of a polyhedron meet; edge.


titik

From Malay titik, from Classical Malay titik (“drop”).


layang-layang

Inherited from Malay layang-layang. Equivalent to reduplication of layang.

(geometry) a quadrilateral resembling the shape of a traditional toy kite (sense 1)


heksagon

Internationalism. Borrowed from English hexagon, from Latin hexagōnum, from Ancient Greek ἑξάγωνον (hexágōnon)

(geometry) hexagon; a polygon with six sides and six angles.


balok

From Javanese ꦧꦭꦺꦴꦏ꧀ (balok), from Dutch balk. Doublet of balak.

(geometry) cuboid: a parallelepiped having six rectangular faces.


persegi

pêrsêgi (canonical)
persegi-persegi (plural)

From Malay persegi, from Classical Malay persegi. Equivalent to per- + segi.

(geometry) square; a polygon with four sides of equal length and four right angles


konstruksi

From Dutch constructie, from Middle Dutch constructie, from Old French construction, from Latin cōnstructiō, from cōnstruere (present active infinitive of cōnstruō) + tiō.

(geometry) A geometric figure of arcs and line segments that is drawable with a straightedge and compass.


konstruksi

head

konstruksi (active mengonstruksi, passive dikonstruksi, perfective passive terkonstruksi)

mengonstruksi (active)
dikonstruksi (passive)
terkonstruksi (passive perfective)

(geometry) To draw (a geometric figure) by following precise specifications and using geometric tools and techniques.


bidang

(geometry) a flat surface extending infinitely in all directions (e.g. horizontal or vertical plane).


bujur sangkar

From bujur (“length”) + sangkar (“cage”).

(geometry, unfashionable) square; a polygon with four sides of equal length and four right angles


tabung

From Malay tabung, probably from Semelai tabong (“container”), from Proto-Mon-Khmer *[ ]b[oo]ŋ (“feeding-trough”).

der

(geometry) a surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve; a solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.


segitiga

(geometry) A polygon with three sides and three angles; triangle.


persegi panjang

Compound of persegi (“square”) + panjang (“long”), probably calque from Chinese 長方／长方 (“rectangular”, literally “long square”).

zh-l

(geometry) rectangle: a quadrilateral having opposing sides parallel and four right angles.


belah ketupat

(geometry) A parallelogram having all sides of equal length; rhombus.


keliling

From Malay keliling, from Classical Malay keliling, from Proto-Malayo-Polynesian *kuliliŋ (“round about, around, in one’s surroundings; go around”).


translasi

From Dutch translatie, from Latin trānslātiō (“transfer”).

(geometry) a geometric transformation that moves every point of a figure or a space by the same distance in a given direction.


puncak

(geometry) the highest point in a plane or solid figure, relative to a base line or plane.


garis tengah

Compound of garis (“line”) + tengah (“centre, central”).
* Sense of diameter, calque of Dutch middellijn.

com

(geometry) diameter: any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.


silinder

From Dutch cilinder, from French cylindre or directly from Latin cylindrus (“roller, cylinder”), from Ancient Greek κύλινδρος (kúlindros, “a cylinder, roller, roll”), from κυλίνδω (kulíndō, “to roll”).


derajat

From Malay darjah, derajat, from Classical Malay درجه (darjah), درجه (derajat), from Arabic دَرَجَات (darajāt), plural form of دَرَجَة (daraja, “degree”).

(geometry) a unit of measurement of angle equal to ¹⁄₃₆₀ of a circle's circumference.


kuadran

From Dutch kwadrant, from French quadrant, from Latin quadrāns (“fourth part of something, quarter”).

(geometry) one fourth of a circle or disc; a sector with an angle of 90°.


proyeksi

proyèksi (canonical)
proyeksi-proyeksi (plural)

Internationalism, borrowed from Dutch projectie, from French projection.

(geometry) An image of an object on a surface of fewer dimensions.


sudut

(geometry) A figure formed by two rays which start from a common point (a plane angle) or by three planes that intersect (a solid angle).

(geometry) The measure of such a figure. In the case of a plane angle, this is the ratio (or proportional to the ratio) of the arc length to the radius of a section of a circle cut by the two rays, centered at their common point. In the case of a solid angle, this is the ratio of the surface area to the square of the radius of the section of a sphere.


ilmu ukur ruang

Compound of ilmu ukur (“geometry”) + ruang (“space”), calque of Dutch ruimtemeetkunde (“solid geometry”).

clq

(geometry) spatial geometry: study of the figures measurements and properties


ilmu ukur sudut

Compound of ilmu ukur (“geometry”) + sudut (“angle”), calque of Dutch hoekmeetkunde (“goniometry”).


tali busur

Compound of tali + busur, calque from Japanese 弦(つる) (tsuru, “chord”, literally “bowstring”).

ja-r

(geometry) chord (straight line between two points of a curve)


juring

(geometry) sector; circular sector: part of a circle, extending to the center.


tembereng

(geometry) circular segment: A region of a circle bounded by an arc and the chord connecting the endpoints of the arc.


trapesium

From Dutch trapezium, from Late Latin trapezium, from Ancient Greek τραπέζιον (trapézion, “irregular quadrilateral”), diminutive of τράπεζα (trápeza, “table”).

der

(geometry) trapezium (a quadrilateral with two sides parallel)