ChaetognathayoudaoicibaDictYouDict[Chaetognatha 词源字典]
"A small phylum of marine invertebrates that comprises the arrow worms", Modern Latin (plural), from Greek khaitē 'long hair' + gnathos 'jaw'.[Chaetognatha etymology, Chaetognatha origin, 英语词源]
commissionaireyoudaoicibaDictYouDict
"A uniformed door attendant at a hotel, theatre, or other building", Mid 17th century: from French, from medieval Latin commissarius 'person in charge', from Latin committere 'entrust' (see commit).
correctitudeyoudaoicibaDictYouDict
"Correctness, especially conscious correctness in one’s behaviour", Late 19th century: blend of correct and rectitude.
cricopharyngealyoudaoicibaDictYouDict
"Of or relating to the cricoid cartilage and the pharynx; specifically designating or relating to the part of the inferior constrictor muscle of the pharynx that originates from the cricoid cartilage", Mid 19th cent.; earliest use found in Garth Wilkinson (1812–1899), Swedenborgian writer and homoeopath. After post-classical Latin cricopharyngaeus.
cinereousyoudaoicibaDictYouDict
"(Especially of hair or feathers) ash-grey", Late Middle English: from Latin cinereus 'similar to ashes' (from cinis, ciner- 'ashes') + -ous.
circumfuseyoudaoicibaDictYouDict
"Pour (a liquid) so as to cause it to surround something", Late 16th century: from Latin circumfus- 'poured around', from the verb circumfundere, from circum 'around' + fundere 'pour'.
chromoplastyoudaoicibaDictYouDict
"A coloured plastid other than a chloroplast, typically containing a yellow or orange pigment", Late 19th century: from chromo-2 'colour' + Greek plastos 'formed'.
catameniayoudaoicibaDictYouDict
"Blood and other matter discharged from the uterus at menstruation", Mid 18th century: Greek, neuter plural form of katamēnios 'monthly', from kata 'down' + mēn 'month': see -ia2.
camera lucidayoudaoicibaDictYouDict
"An instrument in which rays of light are reflected by a prism to produce an image on a sheet of paper, from which a drawing can be made", Mid 18th century: from Latin, 'bright chamber', on the pattern of camera obscura.
collenchymayoudaoicibaDictYouDict
"Tissue strengthened by the thickening of cell walls, as in young shoots", Mid 19th century: from Greek kolla 'glue' + enkhuma 'infusion'.
cryophilicyoudaoicibaDictYouDict
"Of an organism, especially a bacterium: that flourishes at low temperatures", Early 20th cent. From cryo- + -philic, after German kryophil.
chloromycetinyoudaoicibaDictYouDict
"Trademark for chloramphenicol", 1940s: from chloro- 'green' + Greek mukēs, mukēt- 'fungus' + -in1.
cryoablationyoudaoicibaDictYouDict
"The destruction of tissue by freezing", 1960s; earliest use found in Diabetes. From cryo- + ablation.
CygnusyoudaoicibaDictYouDict
"A prominent northern constellation (the Swan), said to represent a flying swan that was the form adopted by Zeus on one occasion. It contains the bright star Deneb", Latin.
chemiosmosisyoudaoicibaDictYouDict
" Biochemistry . The diffusion of ions through a semipermeable membrane into a region of lower ion concentration (i.e. down an electrochemical gradient); especially that of hydrogen ions (protons) which forms part of the biochemical system for the synthesis of ATP and hence the transfer of energy in living organisms", Late 19th cent. Originally from chemo- + osmosis, after German Chemosmose. In later use perhaps partly after chemi-; compare e.g. chemiluminescence and also chemio-, variant of chemo-.
coalitioneryoudaoicibaDictYouDict
"A person who forms, belongs to, or advocates a coalition", Mid 18th cent. From coalition + -er.
computerized tomographyyoudaoicibaDictYouDict
"= computed tomography; abbreviated CT", 1970s; earliest use found in The Lancet.
conidiophoreyoudaoicibaDictYouDict
"(In certain fungi) a conidium-bearing hypha or filament", Late 19th century: from conidio- (combining form of conidium) + -phore.
chalicothereyoudaoicibaDictYouDict
"A large horse-like fossil mammal of the late Tertiary period, with stout claws on the toes rather than hoofs", Early 20th century: from modern Latin Chalicotherium (genus name), from Greek khalix, khalik- 'gravel' + thērion 'wild animal'.
citizenessyoudaoicibaDictYouDict
"A female citizen. Sometimes specifically as a title or form of address for a female French citizen during the French Revolution", Mid 18th cent. From citizen + -ess, in the specific use after French citoyenne.