bisection

/baɪˈsɛkʃən/

//baɪˈsɛkʃən// noun

"bisection" is a 9-letter English headword indexed on PlainSpell.

The verdict

“bisection” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An act of division into two parts, especially two equal parts.

Corpus desk

Index EN-bisection · bisection · English

bisection · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for bisection
PropertyValue
Headwordbisection
LanguageEnglish
Part of speechNoun
IPA/baɪˈsɛkʃən/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “bisection” in English

bisectionfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

bisection is uncommon English outside the top frequency list, classed as anoun, transcribed /baɪˈsɛkʃən/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for bisection, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is bisection, spelled B-I-S-E-C-T-I-O-N.

Definition

  1. 1
    An act of division into two parts, especially two equal parts.
  2. 2
    Either of the two portions thus produced.
  3. 3
    The act of bisecting.

Recorded use

Wiktionary examples

These source excerpts show how bisection appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. If the Arches BI and IK be cut in the middle in a, and b, likewiſe the Arches DM, ML being cut in the middle in c and d; and the Chords of the Bifegments in the Arch BK being drawn; likewiſe the Chords of the Biſegments in the Arch DL; alſo theſe will be as AB to AD, and they will always be ſo, if the Biſegments of the Bifegments proceed infinitely. Alſo…
  2. After all, Usamah had served the sadist Zangi and, if read in full, his account presents a picture of Islamic violence no less shocking to modern sensibilities: the collecting of Christian heads, the crucifying and bisections of their own soldiers and heretics, the severe punishments of Islamic sharia – and the story of how his father, in a rage, lopped o…

Synonyms

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "bisection"?
"bisection" is spelled B-I-S-E-C-T-I-O-N. The IPA pronunciation is /baɪˈsɛkʃən/.
What does "bisection" mean?
As a noun, "bisection" means: An act of division into two parts, especially two equal parts.
How do you pronounce "bisection"?
The IPA (International Phonetic Alphabet) transcription for "bisection" is /baɪˈsɛkʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "bisection" come from?
"bisection" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list