radioprotectiveadj.

Brit.

/ˌreɪdɪəʊprəˈtɛktɪv/, U.S.

/ˌreɪdioʊprəˈtɛktɪv/

Origin: Formed within English, by compounding. Etymons: radio- comb. form², protective adj.

Etymology: < radio- comb. form² + protective adj. Compare radioprotector n. and slightly later radioprotection n.

That prevents or counters the harmful effects produced in living cells and tissues by ionizing radiation, esp. by natural biochemical means.

ΘΚΠ

the world > action or operation > safety > protection or defence > [adjective] > affording protection or defence > from radiation

radioprotective1955

radioprotectant1960

1955 Radiation Res. 3 187 Every substance reported to be radioprotective is capable of hydrogen or electron donation with respect to the cytochrome-oxidase system.

1975 Biochem. & Biophysical Res. Communications 67 1170 The increase..was also accompanied by an enhancement in the radioprotective effect of the enzyme on the proliferative capacity of the cells.

1996 Mutation Res. 356 163 The radioprotective effect of beta-carotene was observed in splenocytes, reticulocytes, and spermatids but not in bone marrow cells.

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

单词	radioprotective
释义	radioprotectiveadj. Brit. /ˌreɪdɪəʊprəˈtɛktɪv/, U.S. /ˌreɪdioʊprəˈtɛktɪv/ Origin: Formed within English, by compounding. Etymons: radio- comb. form², protective adj. Etymology: < radio- comb. form² + protective adj. Compare radioprotector n. and slightly later radioprotection n. That prevents or counters the harmful effects produced in living cells and tissues by ionizing radiation, esp. by natural biochemical means. ΘΚΠ the world > action or operation > safety > protection or defence > [adjective] > affording protection or defence > from radiation radioprotective1955 radioprotectant1960 1955 Radiation Res. 3 187 Every substance reported to be radioprotective is capable of hydrogen or electron donation with respect to the cytochrome-oxidase system. 1975 Biochem. & Biophysical Res. Communications 67 1170 The increase..was also accompanied by an enhancement in the radioprotective effect of the enzyme on the proliferative capacity of the cells. 1996 Mutation Res. 356 163 The radioprotective effect of beta-carotene was observed in splenocytes, reticulocytes, and spermatids but not in bone marrow cells. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < adj.1955
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