okta
/ˈɒktə/
Word Rarity
Very rare
Frequency: Zipf frequency 1.56 in modern English
8
Scrabble Score
4
Letters
2
Syllables
4
Unique Chars
Meaning
noun
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).
Example Sentences
- "...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."
- "‘Fog is traditional for the season and cloud is anticipated at six to seven oktas, sir.’"
- "Mean cloud amount distributions are transformed to normal distributions. The accuracy of the method is indicated by the retrieval of the original distribution with a typical error of 14% in the frequency of each okta of cloud amount."
- "For example, it has been estimated that a Landsat satellite, which revisits a particular location once every 16 days, will obtain a cloud-free scene of a particular location in Britain only once per year, and a scene with 1 okta of cloud (an okta is one eighth of the sky obscured by cloud) only twice per year."
Etymology
From octa-.
Regional Pronunciation
- British English: /ˈɒktə/