bisector

English

Etymology

From bisect +‎ -or.

Pronunciation

• (US) enPR: bī'sĕktər, IPA^(key): /ˈbaɪˌsɛktɚ/

• Audio (Midwestern US):

  (file)

• Rhymes: -ɛktə(ɹ)

Noun

bisector (plural bisectors)

2. (geometry) A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.

   South Street is the bisector of Broken Dreams Boulevard.

Derived terms

• angle bisector
• perpendicular bisector

Related terms

• bisect
• bisected
• bisegment
• bisegmented
• bisegmentation
• trisect
• trisected
• trisector
• trisegmentation
• quadrisect
• quadrisected
• quadrisector

Translations

A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts

Arabic: مُنَصِّف m (munaṣṣif), مُقَسِّم (ar) m (muqassim) Azerbaijani: tənbölən Bengali: দ্বিখণ্ডক (dikhonḍok), বিভাজক (bn) (bibhajok) Bulgarian: ъглополовяща (bg) f (ǎglopolovjašta) Catalan: bisectriu f Chinese: Mandarin: 二等分線 / 二等分线 (zh) (èr děngfēn xiàn) Esperanto: dusekcanto, bisekcanto Finnish: puolittaja French: bissectrice (fr) f Galician: bisectriz (gl) f German: Halbierende f, Winkelhalbierende (de) f, Winkelsymmetrale (de) f Greek: διχοτόμος (el) f (dichotómos) Italian: bisettrice (it) f Japanese: 二等分線 (ja) (にとうぶんせん, ni-tōbun-sen) Khmer: កន្លះបន្ទាត់ពុះមុំ (km) (kanlas bon toat puh mum) Korean: 이등분선(二等分線) (ideungbunseon) Malay: pembahagi dua sama Persian: نیمساز (fa) (nimsâz) Polish: dwusieczna (pl) f, symetralna f Portuguese: bisectriz (pt) f Romanian: bisectoare (ro) f Russian: биссектри́са (ru) f (bissektrísa) Spanish: bisectriz (es) f Swedish: bisektris (sv) c Tagalog: talaktak Turkish: açıortay (tr) Vietnamese: đường phân giác (vi)

Anagrams

• bitscore

Romanian

Etymology

Borrowed from French bissecteur.

Adjective

bisector m or n (feminine singular bisectoare, masculine plural bisectori, feminine/neuter plural bisectoare)

1. bisecting

Declension

Declension of bisector

		singular				plural
		masculine	neuter	feminine		masculine	neuter	feminine
nominative- accusative	indefinite	bisector		bisectoare		bisectori	bisectoare
	definite	bisectorul		bisectoarea		bisectorii	bisectoarele
genitive- dative	indefinite	bisector		bisectoare		bisectori	bisectoare
	definite	bisectorului		bisectoarei		bisectorilor	bisectoarelor

Spanish

Noun

bisector m (plural bisectores)

1. bisector

Further reading

• “bisector”, 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