f

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

noun a degree on the Fahrenheit scale of temperature
noun a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
noun the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates

Old English lower case letter f, from 7th century replacement by Latin lower case f of the Anglo-Saxon Futhorc letter ᚠ (f, “fe”).

%F% Fair Oaks, battle of. — A School History of the United States, John Bach McMaster
"F--F--Funny?" said our Uncle Peter. — Fairy Prince and Other Stories, Eleanor Hallowell Abbott
"'Is you wom yo'se'f, Brer Wolf?' — Nights With Uncle Remus: Myths and Legends of the Old Plantation, Joel Chandler Harris

degree Fahrenheit

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