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单词 calcine
释义 cal·cine
I. \(ˈ)kal|sīn\ verb
(-ed/-ing/-s)
Etymology: Middle English calcenen, calcynen, from Middle French calciner, from Latin calc-, calx lime — more at chalk
transitive verb
: to heat (as inorganic materials) to a high temperature but without fusing in order to effect useful physical and chemical changes: as
 a. : to convert to a powder or to a friable state by heating
 b. : to heat in order to drive off volatile matter (as carbon dioxide from limestone, ores, or concentrates, or chemically combined water from clay) and thus usually to disintegrate (as bones) — compare burn vt 3d
 c. : to heat under oxidizing conditions (as for producing metal oxides) — compare roast vt 2
intransitive verb
: to undergo calcination
II. \ˈkalˌsīn\ noun
(-s)
: a product (as a metal oxide) of calcination or roasting
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更新时间:2024/12/23 22:27:58