radioactivatev.

Brit.

/ˌreɪdɪəʊˈaktᵻveɪt/, U.S.

/ˌreɪdioʊˈæktəˌveɪt/

Origin: Formed within English, by compounding. Etymons: radio- comb. form², activate v.

Etymology: < radio- comb. form² + activate v., after radioactive adj. Compare earlier radioactivated adj., radioactivating n., radioactivation n.

transitive. To make radioactive. Also figurative.

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactivity > making radioactive > make radioactive [verb (transitive)]

activate1924

radioactivate1949

cook1950

1949 M. Muggeridge Affairs of Heart iii. 47 Even the atomic bomb..may prove a great deception, only serving to radio-activate yet another attempt to re-define human rights.

1955 Yale Law Jrnl. 64 708 (note) [Thermonuclear weapons tests] would radioactivate at least temporarily a vast area of useful land.

1978 Science 10 Feb. 684/3 The method of radioactivating radiographs requires special attention because of the physical nature of the films.

1991 Jrnl. Nucl. Materials 179–81 a. 339 A few lower graphite tiles were seriously damaged and radioactivated.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	radioactivate
释义	radioactivatev. Brit. /ˌreɪdɪəʊˈaktᵻveɪt/, U.S. /ˌreɪdioʊˈæktəˌveɪt/ Origin: Formed within English, by compounding. Etymons: radio- comb. form², activate v. Etymology: < radio- comb. form² + activate v., after radioactive adj. Compare earlier radioactivated adj., radioactivating n., radioactivation n. transitive. To make radioactive. Also figurative. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > making radioactive > make radioactive [verb (transitive)] activate1924 radioactivate1949 cook1950 1949 M. Muggeridge Affairs of Heart iii. 47 Even the atomic bomb..may prove a great deception, only serving to radio-activate yet another attempt to re-define human rights. 1955 Yale Law Jrnl. 64 708 (note) [Thermonuclear weapons tests] would radioactivate at least temporarily a vast area of useful land. 1978 Science 10 Feb. 684/3 The method of radioactivating radiographs requires special attention because of the physical nature of the films. 1991 Jrnl. Nucl. Materials 179–81 a. 339 A few lower graphite tiles were seriously damaged and radioactivated. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < v.1949
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