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单词 acuation
释义 acuation rare.|ˌækjuːˈeɪʃən|
[n. of action f. acuate v. See -ation.]
Sharpening, rendering acute.
1837Whewell Induct. Sc. III. xv. i. 197 Werner..had formally spoken of truncation, acuation, and acumination, or replacement by a plane, an edge, a point respectively, as ways in which the forms of crystals are modified.
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