different between cleave vs photocleave
cleave
English
Pronunciation
- (UK) IPA(key): /kli?v/
- (US) IPA(key): /kliv/
- Rhymes: -i?v
Etymology 1
From Middle English cleven, from the Old English strong verb cl?ofan (“to split, to separate”), from Proto-Germanic *kleuban?, from Proto-Indo-European *glewb?- (“to cut, to slice”). Doublet of clive. Cognate with Dutch klieven, dialectal German klieben, Swedish klyva, Norwegian Nynorsk kløyva; also Ancient Greek ????? (glúph?, “carve”).
Verb
cleave (third-person singular simple present cleaves, present participle cleaving, simple past cleft or clove or (UK) cleaved or (archaic) clave, past participle cleft or cloven or (UK) cleaved)
- (transitive) To split or sever something with, or as if with, a sharp instrument.
- The wings cleaved the foggy air.
- (transitive, mineralogy) To break a single crystal (such as a gemstone or semiconductor wafer) along one of its more symmetrical crystallographic planes (often by impact), forming facets on the resulting pieces.
- (transitive) To make or accomplish by or as if by cutting.
- The truck cleaved a path through the ice.
- (transitive, chemistry) To split (a complex molecule) into simpler molecules.
- (intransitive) To split.
- (intransitive, mineralogy) Of a crystal, to split along a natural plane of division.
Related terms
Translations
Noun
cleave (plural cleaves)
- (technology) Flat, smooth surface produced by cleavage, or any similar surface produced by similar techniques, as in glass.
Related terms
- cleavage
- cleft
Derived terms
- cleaver
Etymology 2
From Middle English cleven, a conflation of two verbs: Old English clifian (from Proto-Germanic *klib?n?) and Old English cl?fan (from Proto-Germanic *kl?ban?), both ultimately from Proto-Indo-European *gleyb?- (“to stick”).
Verb
cleave (third-person singular simple present cleaves, present participle cleaving, simple past and past participle cleaved)
- (intransitive) To cling, adhere or stick fast to something; used with to or unto.
Translations
Synonyms
- See also Thesaurus:adhere
References
- cleave in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
- cleave in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
cleave From the web:
- what cleaves trypsinogen
- what cleaves peptide bonds
- what cleaves pepsinogen
- what cleaves c3
- what cleave means
- what cleaves prothrombin
- what cleaves disulfide bonds
- what cleaves proinsulin
photocleave
English
Etymology
photo- +? cleave
Verb
photocleave (third-person singular simple present photocleaves, present participle photocleaving, simple past and past participle photocleaved)
- (chemistry, physics) To cleave a bond by photolysis
photocleave From the web:
- what does photocleave mean
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