Okta

//ˈɒktə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    One eighth of the total area of the celestial dome; used as a measure of cloudiness (one okta means that one eighth of the sky is obscured, two oktas that one quarter is obscured, and so on).

    "...64% of the low- and 50% of the high-cloud amount differences were within ± 1 okta, although many of these successes (71% in the low-cloud amount) were for cases of totally clear or totally cloudy skies."

Synonyms

All synonyms
octoocto-

Example

More examples

"...64% of the low- and 50% of the high-cloud amount differences were within ± 1 okta, although many of these successes (71% in the low-cloud amount) were for cases of totally clear or totally cloudy skies."

Etymology

From octa-.

Related phrases

celestial dome

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.