different between concavity vs crevice

English

Etymology

From Old French concavité.

Morphologically concave +? -ity

Pronunciation

• IPA^(key): /k??kæv?ti/

Noun

concavity (countable and uncountable, plural concavities)

1. (uncountable) The state of being concave
2. (countable) A concave structure or surface

Antonyms

• convexity

Translations

English

Etymology

From Middle English crevice, from Old French crevace, from crever (“to break, burst”), from Latin crepare (“to break, burst, crack”). Doublet of crevasse.

Pronunciation

• (UK) IPA^(key): /?k??v?s/

Noun

crevice (plural crevices)

1. A narrow crack or fissure, as in a rock or wall.
   • ?, Alfred Tennyson, Mariana

     The mouse, / Behind the mouldering wainscot, shrieked, / Or from the crevice peer'd about.

   • 16 March, 1926, Virginia Woolf, letter to V. Sackville-West

     I can't tell you how urbane and sprightly the old poll parrot was; and […] not a pocket, not a crevice, of pomp, humbug, respectability in him: he was fresh as a daisy.

Translations

Verb

crevice (third-person singular simple present crevices, present participle crevicing, simple past and past participle creviced)

1. To crack; to flaw.

   (Can we find and add a quotation of Sir H. Wotton to this entry?)

References

• crevice in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• crevice in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• crevice at OneLook Dictionary Search

Old French

Alternative forms

• crevez, crevis, crevesce, creveche, creveis, escrevise, escreveice, escreviche

Etymology

From either Frankish *krebitja (“crayfish”), diminutive of *krebit (“crab”), from Proto-Germanic *krabitaz (“crab, cancer”), from Proto-Indo-European *greb?-, *gereb?- (“to scratch, crawl”), or from Old High German krebiz (“edible crustacean, crab”) (German Krebs (“crab”)), from the same source. Cognate with Middle Low German kr?vet (“crab”), Dutch kreeft (“crayfish, lobster”), Old English crabba (“crab”).

Noun

crevice f (oblique plural crevices, nominative singular crevice, nominative plural crevices)

1. crayfish, crawfish

Descendants

• Middle French: escrevice, escrevisse, escrevisce, crevis, creviche, crevice
  • French: écrevisse
• ? Middle Dutch: crevetse
• ? Middle English: crevis, crevyse, creuez, crevez, crevise, creveys, crevesse, krevys
  • English: crevis; crayfish, crawfish (influenced by fish)