radiopureadj.

Brit.

/ˌreɪdɪəʊˈpjʊə/,

/ˌreɪdɪəʊˈpjɔː/, U.S.

/ˌreɪdioʊˈpjʊ(ə)r/

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

Etymology: < radio- comb. form² + pure adj., after radiochemically pure adj. at radiochemically adv.

Science.

= radiochemically pure adj. at radiochemically adv.

ΚΠ

1947 Jrnl. Amer. Chem. Soc. 69 2778/1 After several months the activities, other than Y, had all decayed leaving radio-pure Y⁹¹.

1958 Jrnl. Biophysical & Biochem. Cytol. 4 843/1 10 microcuries of radio-pure tritiated thymidine.

2005 Nucl. Instruments & Methods Physics Res. A. 551 246/1 Experiments deeply underground..and the use of radiopure materials cannot suppress a background counting rate below about 1 event keV⁻¹ kg⁻¹ day⁻¹.

This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	radiopure
释义	radiopureadj. Brit. /ˌreɪdɪəʊˈpjʊə/, /ˌreɪdɪəʊˈpjɔː/, U.S. /ˌreɪdioʊˈpjʊ(ə)r/ Origin: Formed within English, by compounding. Etymons: radio- comb. form², pure adj. Etymology: < radio- comb. form² + pure adj., after radiochemically pure adj. at radiochemically adv. Science. = radiochemically pure adj. at radiochemically adv. ΚΠ 1947 Jrnl. Amer. Chem. Soc. 69 2778/1 After several months the activities, other than Y, had all decayed leaving radio-pure Y⁹¹. 1958 Jrnl. Biophysical & Biochem. Cytol. 4 843/1 10 microcuries of radio-pure tritiated thymidine. 2005 Nucl. Instruments & Methods Physics Res. A. 551 246/1 Experiments deeply underground..and the use of radiopure materials cannot suppress a background counting rate below about 1 event keV⁻¹ kg⁻¹ day⁻¹. This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022). < adj.1947
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