semicircle

See also: semi-circle

English

semicircle (1)

semicircle (2)

Etymology

Etymology tree

Proto-Indo-European *sem-

Proto-Indo-European *sēmi

Latin sēmi-bor.

English semi-

Proto-Indo-European *(s)ker-der.

Ancient Greek κίρκος (kírkos)bor.

Latin circus

Proto-Indo-European *-lós

Proto-Indo-European *-elós

Proto-Italic *-elos

Latin -ulus

Latin circulus

Old French cerclebor.

Middle English circle

English circle

English semicircle

From semi- + circle.

Pronunciation

• Audio (Southern England):

  (file)

Noun

semicircle (plural semicircles)

1. A half of a circle.
2. A surveyor's instrument for measuring angles; a graphometer.

   Synonym: graphometer

3. (soccer) An arc whose center is the penalty spot, extending from the top of the penalty area.

   Synonyms: penalty arc, the D

Translations

half of a circle

• Armenian: կիսաշրջան (hy) (kisašrǰan)
• Asturian: semicírculu m
• Azerbaijani: yarımdairə
• Belarusian: паўкру́г m (pawkrúh), паўко́ла n (pawkóla)
• Bengali: অর্ধবৃত্ত (bn) (ordhobritto)
• Bulgarian: полукръг (polukrăg)
• Carpathian Rusyn: піл'коля (pilʺkolja)
• Catalan: semicercle (ca) m
• Chinese:

  Mandarin: 半圓 / 半圆 (zh) (bànyuán)

• Czech: půlkruh m
• Estonian: poolring
• Faroese: hálvringur m, hálvsirkul m
• Finnish: puoliympyrä (fi)
• French: demi-cercle (fr) m
• Galician: semicírculo (gl) m
• German: Halbkreis (de) m
• Greek: ημικύκλιο (el) n (imikýklio)

  Ancient Greek: ἡμικύκλιον n (hēmikúklion)

• Hebrew: חֲצִי עִגּוּל m (khatsí igúl)
• Hungarian: félkör (hu)
• Italian: semicerchio (it) m
• Japanese: 半円 (ja) (han'en)
• Korean: 반원(半圓) (ko) (banwon)
• Lao: ເຄິ່ງວົງກົມ (khœng wong kom)
• Latin: sēmicirculus m, hēmicyclium n
• Norwegian:

  Bokmål: halvsirkel m

  Nynorsk: halvsirkel m

• Occitan: semicercle m
• Persian: نیمدایره (fa) (nimdâyere), نیمگرد (nimgerd)
• Polish: półkole (pl) n, półokrąg m
• Portuguese: semicírculo (pt) m
• Romanian: semicerc (ro) n
• Russian: полукру́г (ru) m (polukrúg)
• Sanskrit: वृत्तार्ध (sa) (vṛttārdha)
• Sorbian:

  Lower Sorbian: połkoło n, połkrejz m

  Upper Sorbian: połkruh m, połkoło n

• Southern Altai: јарым тегерик (ǰarïm tegerik), јарымдай тегерик (ǰarïmday tegerik)
• Spanish: semicírculo (es) m
• Swedish: halvcirkel (sv) c
• Tagalog: hatimbilog, balinugnog
• Thai: ครึ่งวงกลม (th) (krʉ̂ng-wong-glom)
• Ukrainian: півко́ло n (pivkólo)
• Welsh: hanner cylch m

graphometer — see graphometer

penalty arc — see penalty arc

Verb

semicircle (third-person singular simple present semicircles, present participle semicircling, simple past and past participle semicircled)

1. (ambitransitive) To travel or move around in a semicircle.

See also

• semicircular