Meanings
nounacute angle (plural acute angles)
plural acute angles
- geometryAn angle greater than 0 degrees and less than 90 degrees.
1 more example
The line then falls on a gradient of 1 in 102 to the point at Windmill Lane, known locally as the "Three Bridges," where there is a composite crossing of road, canal and railway, all at the same point. The road is carried over the canal by an orthodox-style bridge, the canal being contained in a cast-iron trough, 8 ft. deep, which passes at an acute angle over the railway. (This arrangement at Southall remains the same in 2026)
1960 February 28, R. K. Kirkland, “The Great Western and Brentford Railway”, in Railway Magazine, page 81
Translations
Arabic زَاوِيَة حَادَّة
- زَاوِيَة حَادَّةangle measuring greater than zero degrees and less than ninety degrees
Bulgarian о́стър ъ́гъл
- о́стър ъ́гъл (óstăr ắgăl)angle measuring greater than zero degrees and less than ninety degrees
Catalan angle agut
- angle agutangle measuring greater than zero degrees and less than ninety degrees
Chinese Mandarin 銳角 /锐角
- 銳角 /锐角 (ruìjiǎo)angle measuring greater than zero degrees and less than ninety degrees
Czech ostrý úhel
- ostrý úhelangle measuring greater than zero degrees and less than ninety degrees
Danish spids vinkel
- spids vinkelangle measuring greater than zero degrees and less than ninety degrees
Estonian teravnurk
- teravnurkangle measuring greater than zero degrees and less than ninety degrees
Finnish terävä kulma
- terävä kulmaangle measuring greater than zero degrees and less than ninety degrees
French angle aigu
- angle aiguangle measuring greater than zero degrees and less than ninety degrees
German spitzer Winkel
- spitzer Winkelangle measuring greater than zero degrees and less than ninety degrees
Greek οξεία γωνία
- οξεία γωνία (oxeía gonía)angle measuring greater than zero degrees and less than ninety degrees
Hebrew זָוִית חַדָּה
- זָוִית חַדָּה (zavít ḥadá)angle measuring greater than zero degrees and less than ninety degrees
Hungarian hegyesszög
- hegyesszögangle measuring greater than zero degrees and less than ninety degrees
Irish géaruillinn
- géaruillinnangle measuring greater than zero degrees and less than ninety degrees
Italian angolo acuto
- angolo acutoangle measuring greater than zero degrees and less than ninety degrees
Japanese 鋭角
- 鋭角 (eikaku)angle measuring greater than zero degrees and less than ninety degrees
Korean 예각
- 예각 (yegak)angle measuring greater than zero degrees and less than ninety degrees
Lithuanian smailusis kampas
- smailusis kampasangle measuring greater than zero degrees and less than ninety degrees
Māori koki tāhapa
- koki tāhapaangle measuring greater than zero degrees and less than ninety degrees
Norwegian Bokmål spiss vinkel
- spiss vinkelangle measuring greater than zero degrees and less than ninety degrees
Polish kąt ostry
- kąt ostryangle measuring greater than zero degrees and less than ninety degrees
Portuguese ângulo agudo
- ângulo agudoangle measuring greater than zero degrees and less than ninety degrees
Romanian unghi ascuțit
- unghi ascuțitangle measuring greater than zero degrees and less than ninety degrees
Russian о́стрый у́гол
- о́стрый у́гол (óstryj úgol)angle measuring greater than zero degrees and less than ninety degrees
Scottish Gaelic ceàrn caol
- ceàrn caolangle measuring greater than zero degrees and less than ninety degrees
Slovak ostrý uhol
- ostrý uholangle measuring greater than zero degrees and less than ninety degrees
Spanish ángulo agudo
- ángulo agudoangle measuring greater than zero degrees and less than ninety degrees
Tagalog sihang kipot
- sihang kipotangle measuring greater than zero degrees and less than ninety degrees
Tamil குறுங்கோணம்
- குறுங்கோணம் (kuṟuṅkōṇam)angle measuring greater than zero degrees and less than ninety degrees
Thai มุมแหลม
- มุมแหลม (mum-lɛ̌ɛm)angle measuring greater than zero degrees and less than ninety degrees
Turkish dar açı
- dar açıangle measuring greater than zero degrees and less than ninety degrees
Vietnamese góc nhọn
- góc nhọnangle measuring greater than zero degrees and less than ninety degrees
Cite this entry
APA
acute angle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/acute%20angle
MLA
“acute angle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/acute%20angle. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “acute angle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/acute%20angle.
Source: acute angle on Wiktionary, CC BY-SA 4.0.