Standard Lemma guide

bisection

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: bīsĕk'shən
  • US: /baɪˈsɛkʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

An act of division into two parts, especially two equal parts.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bisegmentation

Antonyms: none provided

2

noun

Meaning 2

Either of the two portions thus produced.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bisegment, half, one-half

Antonyms: none provided

3

noun

Meaning 3

The act of bisecting.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

dividing into two equal parts

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: division

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Czech: půlení — a division into two parts, especially into two equal parts
  • Czech: rozpůlení — a division into two parts, especially into two equal parts
  • Finnish: puolitus — a division into two parts, especially into two equal parts
  • French: bissection — a division into two parts, especially into two equal parts
  • Portuguese: bisectriz — a division into two parts, especially into two equal parts
  • Spanish: bisectriz — a division into two parts, especially into two equal parts
Real reading context

bisection in complete knowledge articles