Where does semidiameter come from?

It is traced to Middle English.

semidiameter

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Scrabble Score

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noun

noun

Archaic

"[B]etweene the ſphere of Saturne and the Firmament, there is ſuch an incredible and vaſt ſpace or diſtance (7000000. ſemidiameters of the earth, as Tycho [Brahe] calculates) void of ſtarres: [...]"

From Middle English semidiametre, semydiametre, from Medieval Latin sēmidiameter, equivalent to semi- + diameter.

semidiameters (plural)

semidiameter correction

How to pronounce semidiameter

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