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单词 preactivation
释义

preactivationn.

Brit. /ˌpriːaktᵻˈveɪʃn/, U.S. /ˈˌpriæktəˈveɪʃ(ə)n/
Origin: Formed within English, by derivation. Etymons: pre- prefix, activation n.
Etymology: < pre- prefix + activation n. Compare later preactivate v.
The state or condition of having been activated beforehand; the action or process of activating in advance.
ΚΠ
1924 F. R. Lillie & E. E. Just in E. V. Cowdry Gen. Cytol. viii. vii. 502 Butyric acid produces a condition of pre-activation in which the egg activates when returned to its normal environment; but if the treatment be too short the pre-activation is insufficient.
1957 Psychol. Rev. 64 137/1 Such preactivation can be produced by gradual learning or quantally by instruction.
2004 Brit. Plastics & Rubber (Nexis) 1 Feb. 20 Surface pre-activation allows users to apply hardener/lacquer to a substrate up to 30 days before the adhesive is added.
This is a new entry (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1924
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更新时间:2024/11/11 8:25:08