Word.ws English Dictionary

Plural of theta

regular plural

The plural of theta is thetas.

Forms of theta

Singulartheta /ˈθiːtə/
Pluralthetas
Countablecountable

Meaning of theta

  1. noun The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
  2. noun The measure of an angle.
  3. noun Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.

Full definition of theta

Questions about the plural of theta

What is the plural of theta?
The plural of theta is thetas.
Is theta countable?
Theta is a countable noun.

Source and license

Adapted from Wiktionary: theta (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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