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单词 radiolucent
释义

radiolucentadj.

Brit. /ˌreɪdɪəʊˈluːsnt/, U.S. /ˌreɪdioʊˈlus(ə)nt/
Origin: Formed within English, by compounding. Etymons: radio- comb. form2, lucent adj.
Etymology: < radio- comb. form2 + lucent adj. Compare radiopaque adj.
Transparent to X-rays.
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the world > matter > physics > atomic nucleus > radioactivity > X-rays > [adjective] > transparent to X-rays
radiolucent1917
radiotranslucent1933
1917 K. H. Thoma Oral Roentgenol. iv. iv. 197 The Roentgen evidence of alveoloclasia is due to the dissolution of bone and replacement by radiolucent pathological tissue.
1936 B. J. M. Harrison Textbk. Roentgenol. iii. 62 Of the relatively radiolucent substances those used are air, carbon dioxide, and oxygen.
1973 Daily Tel. 22 Oct. 13/6 The plastics used in the modern motor car..are radiolucent and do not reveal themselves on an X-ray film.
1996 W. G. Thompson Ulcer Story xxxi. 352 The gut ordinarily has no shadow, but air in the lumen appears as dark (radiolucent) areas.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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adj.1917
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