triangle
See also: Triangle
English
A regular triangle, the geometric shape.
A triangle, the musical instrument.
The triangles, a whipping post formed by three poles.
Etymology
| PIE word |
|---|
| *tréyes |
From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (“three-cornered, having three angles”), from trēs (“three”) + angulus (“corner, angle”).
Pronunciation
- (UK) IPA(key): /ˈtɹaɪəŋɡəl/, /ˈtɹaɪˌæŋɡəl/
- (US) enPR: trī'-ăng-gəl, IPA(key): /ˈtɹaɪˌæŋɡəl/
Audio (US) (file) - Rhymes: -aɪæŋɡəl
- Hyphenation: tri‧an‧gle
Noun
triangle (plural triangles)
- (geometry) A polygon with three sides and three angles.
- 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 22:
- The wedge-shaped character was the triangle, the archaic Paleolithic sign of the vulva; the pubic triangle was at the end of the phallic stylus.
-
- (US, Canada) A set square.
- (music) A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- A love triangle.
- 2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104:
- One of the writers' most pleasing inventions was to treat the triangle love story as comedy.
- 2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104:
- (systemics) The structure of systems composed with three interrelated objects.
- A draughtsman's square in the form of a right-angled triangle.
- (historical, usually in the plural) A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.
- 1868, “The Week”, in The Nation, volume 6, number 149:
- But nothing is said as to what we are to do with the negro when we have cut him off from absolute dominion; we are not informed if we may spread him on the triangles as aforetime;
-
- Any of various large papilionid butterflies of the genus Graphium.
- Synonym: bluebottle
- (rail transport) A triangular formation of railway tracks, with a curve on at least one side.
- 1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 147:
- After turning on the triangle at Jeumont, we set off light engine back to Aulnoye.
- Synonym: wye
-
Synonyms
- (polygon): threeside, trigon (rare)
- (love triangle): love triangle, menage à trois
- See also Thesaurus:triangle
Derived terms
- acute-angled triangle
- acute triangle
- anal triangle
- anterior triangle
- Bermuda Triangle
- black triangle
- Brocard triangle
- Calot's triangle
- Cape triangle
- carotid triangle
- circular triangle
- color triangle
- colour triangle
- combustion triangle
- cyclic triangle
- cystohepatic triangle
- Devil's Triangle
- devil's triangle
- equilateral triangle
- eternal triangle
- femoral triangle
- fire triangle
- Floyd's triangle
- golden triangle
- Golden Triangle
- Goualougo Triangle
- hepatobiliary triangle
- hepatocystic triangle
- ideal triangle
- iron triangle
- isosceles triangle
- Kanizsa triangle
- Karpman drama triangle
- Koch's triangle
- love triangle
- Morley triangle
- North Atlantic Triangle
- obtuse-angled triangle
- obtuse triangle
- Pascal's triangle
- Penrose triangle
- pink triangle
- Polynesian Triangle
- posterior triangle
- pubic triangle
- purple triangle
- Pythagorean triangle
- red triangle slug
- Reuleaux triangle
- right-angled triangle
- right triangle
- scalene triangle
- Scarpa's triangle
- set triangle
- Sierpinski triangle
- sight triangle
- spherical triangle
- star-triangle relation
- sternocostal triangle
- Sunni Triangle
- superior carotid triangle
- triangle choke
- triangle-free
- triangle group
- triangle inequality
- triangle offense
- triangle of life
- triangle piercing
- triangle pose
- triangle spider
- triangle test
- triangle wave
- trianglist
- triangular
- triangular distribution
- triangular function
- triangular prism
- triangulate
- triangulation
- warning triangle
- work triangle
Translations
polygon
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percussion instrument
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love triangle — see love triangle
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
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Further reading
Triangle on Wikipedia.Wikipedia - Triangle (disambiguation) on Wikipedia.Wikipedia
- Triangle (instrument) on Wikipedia.Wikipedia
Anagrams
- INTEGRAL, alerting, altering, integral, relating, tanglier, teraglin
Catalan
Etymology
From Latin triangulum.
Pronunciation
- (Balearic, Central) IPA(key): /tɾiˈaŋ.ɡlə/
- (Valencian) IPA(key): /tɾiˈaŋ.ɡle/
Audio (file)
Noun
triangle m (plural triangles)
- (geometry) triangle
- (music) triangle
Related terms
- triangular
Further reading
- “triangle” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “triangle”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2023
- “triangle” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
- “triangle” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
French
Etymology
Borrowed from Latin triangulum. Synchronically analysable as tri- + angle.
Pronunciation
- IPA(key): /tʁi.jɑ̃ɡl/
audio (file)
Noun
triangle m (plural triangles)
- (geometry) triangle (polygon)
- triangle équilatéral ― equilateral triangle
- triangle isocèle ― isosceles triangle
- (music) triangle (percussion instrument)
Derived terms
- triangle amoureux
- triangle de sécurité
- triangulaire
Further reading
- “triangle”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Anagrams
- intégral