Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun meteorology 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).

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From octa-.

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Examples

  • They were, apparently, ready for seven but it was the surprise eighth baby in a near-historic litter that surprised everyone in a world where okta or okto has long been Greek for eight.

    Daily Breeze Most Viewed 2009

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