bisector

/ˈbaɪˌsɛktɚ/

//ˈbaɪˌsɛktɚ// noun

"bisector" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.

Corpus desk

Index EN-bisector · bisector · English

bisector · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 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 bisector
PropertyValue
Headwordbisector
LanguageEnglish
Part of speechNoun
IPA/ˈbaɪˌsɛktɚ/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “bisector” in English

bisectorsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

bisector is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈbaɪˌsɛktɚ/. Rarity is why readers land here mid-draft. Gloss: "A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.".

Our edit-distance generator produced no likely misspellings for bisector, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From bisect + -or. The correct English form is bisector, spelled B-I-S-E-C-T-O-R.

Definition

  1. 1
    A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.

Recorded use

Wiktionary example

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

  1. South Street is the bisector of Broken Dreams Boulevard.

Etymology

From bisect + -or.

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 "bisector"?
"bisector" is spelled B-I-S-E-C-T-O-R. The IPA pronunciation is /ˈbaɪˌsɛktɚ/.
What does "bisector" mean?
As a noun, "bisector" means: A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts.
How do you pronounce "bisector"?
The IPA (International Phonetic Alphabet) transcription for "bisector" is /ˈbaɪˌsɛktɚ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "bisector"?
From bisect + -or. See the full etymology section above for more details.
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