coterminal

C3O1T1E1R1M3I1N1A1L1

noun

One of a number of terminals or airports which are interchangeable for the purposes of ticketing.

“When you try to draw two coterminal angles on a circle, you will find that you only get one line.”

Similar
initial
Opposite
terminal
Scrabble 14
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Meanings

nouncoterminal (plural coterminals)

plural coterminals

  1. aeronauticsOne of a number of terminals or airports which are interchangeable for the purposes of ticketing.
adjectivecoterminal (not comparable)
  1. not comparableCoterminous: having the same scope or range, or meeting at the ends.
  2. not comparablegeometryDiffering only by a whole number of complete circles.

    When you try to draw two coterminal angles on a circle, you will find that you only get one line.

  3. not comparablecategory theoryDescribing an object in a category, such that there is precisely one morphism that maps that object to every object in the category.
  4. not comparableuniversity educationSimultaneously studying towards two or more separate degrees.

    coterminal student

Synonyms & antonyms

Similar
initial

antonym(s) of “category theory”

Opposite
terminal

Origin

From co- + terminal.

Full word history & related roots →

Translations

Portuguese coterminal
  • coterminalangle differing only by a whole number of complete circles

Rhymes & wordplay

Anagrams

centimolar
Cite this entry
APA

coterminal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coterminal

MLA

“coterminal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coterminal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coterminal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coterminal.

Source: coterminal on Wiktionary, CC BY-SA 4.0.