semicircular

See also: semi-circular

English

Etymology

Etymology tree

Proto-Indo-European *sem-

Proto-Indo-European *sēmi

Latin sēmi-bor.

English semi-

English circular

English semicircular

From semi- + circular.

Pronunciation

• Audio (US):

  (file)

Adjective

semicircular (not comparable)

1. In the shape of half of a circle or a semicircle.

Alternative forms

• semi-circular

Derived terms

• semicircular canal
• semicircularity
• semicircularly
• subsemicircular

Translations

in the shape of a semicircle

• Belarusian: паўкру́глы (pawkrúhly)
• Bengali: অর্ধবৃত্তাকার (ordhobrittakar)
• Bulgarian: полукръгъл (polukrǎgǎl)
• Catalan: semicircular (ca)
• Chinese:

  Mandarin: 半圓形 / 半圆形 (zh) (bànyuánxíng)

• French: demi-circulaire (fr), semi-circulaire (fr)
• German: halbkreisförmig (de)
• Greek: ημικυκλικός (el) (imikyklikós)
• Gujarati: અર્ધવર્તુળાકાર (ardhavartuḷākār)
• Hungarian: félkörös (hu), félkör alakú (shape), félköríves (hu) (curve, line)
• Italian: semicircolare (it)
• Japanese: 半円形 (ja) (han'enkei)
• Korean: 반원형(半圓形) (ko) (banwonhyeong)
• Polish: półkolisty (pl), półokrągły (pl)
• Portuguese: semicircular (pt)
• Romanian: semicircular (ro)
• Russian: полукру́глый (ru) (polukrúglyj)
• Spanish: semicircular
• Swedish: semicirkulär (sv)
• Ukrainian: напівкру́глий (napivkrúhlyj)

Catalan

Etymology

From semicercle +‎ -ar.

Pronunciation

• IPA^(key): (Northern) [ˌse̞.mi.sir.kuˈlar]
• IPA^(key): (Balearic) [ˌsɛ.mi.sir.kuˈla]
• IPA^(key): (Central) [ˌsɛ.mi.sir.kuˈlar]
• IPA^(key): (Valencia) [ˌse.mi.siɾ.kuˈlaɾ]
• IPA^(key): (Northwestern) [ˌse.mi.sir.kuˈlar]

Adjective

semicircular m or f (masculine and feminine plural semicirculars)

1. semicircular

Further reading

• “semicircular”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “semicircular”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “semicircular” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “semicircular”, in Diccionari català-valencià-balear (in Catalan)

Romanian

Etymology

Borrowed from French semi-circulaire.

Adjective

semicircular m or n (feminine singular semicirculară, masculine plural semicirculari, feminine/neuter plural semicirculare)

1. semicircular

Declension

Declension of semicircular

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative- accusative	indefinite	semicircular		semicirculară	semicirculari	semicirculare
	definite	semicircularul		semicirculara	semicircularii	semicircularele
genitive- dative	indefinite	semicircular		semicirculare	semicirculari	semicirculare
	definite	semicircularului		semicircularei	semicircularilor	semicircularelor

Spanish

Etymology

From semicírculo +‎ -ar.

Pronunciation

• IPA^(key): /semiθiɾkuˈlaɾ/ [se.mi.θiɾ.kuˈlaɾ] (Equatorial Guinea, Spain)
• IPA^(key): /semisiɾkuˈlaɾ/ [se.mi.siɾ.kuˈlaɾ] (Latin America, Philippines)
• Rhymes: -aɾ
• Syllabification: se‧mi‧cir‧cu‧lar

Adjective

semicircular m or f (masculine and feminine plural semicirculares)

1. semicircular

Further reading

• “semicircular”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025