radiolucencyn.

Brit.

/ˌreɪdɪəʊˈluːsnsi/, U.S.

/ˌreɪdioʊˈlusənsi/

Origin: Formed within English, by compounding. Etymons: radio- comb. form², lucency n.

Etymology: < radio- comb. form² + lucency n., after radiolucent adj. Compare earlier radiopacity n.

The property of being radiolucent.

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > transparency

radiolucency1924

radiotranslucency1935

1924 Internat. Jrnl. Orthodontia, Oral Surg. & Radiogr. 10 173 They show a radiolucency or radiopacity.

1940 Bull. Johns Hopkins Hosp. 66 91 The cutaneous region of the foetus is usually represented by a dark line, due to radiolucency.

1977 Ann. Internal Med. 86 375/2 Roentgenograms are in the European convention: light tones for radiolucency; dark tones for radio-opacity.

1993 S. J. Ettinger Pocket Compan. Textbk. Vet. Internal Med. lxix. 306 Hyperinflation of the lungs may result in increased radiolucency and flattening of the diaphragm.

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

单词	radiolucency
释义	radiolucencyn. Brit. /ˌreɪdɪəʊˈluːsnsi/, U.S. /ˌreɪdioʊˈlusənsi/ Origin: Formed within English, by compounding. Etymons: radio- comb. form², lucency n. Etymology: < radio- comb. form² + lucency n., after radiolucent adj. Compare earlier radiopacity n. The property of being radiolucent. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > transparency radiolucency1924 radiotranslucency1935 1924 Internat. Jrnl. Orthodontia, Oral Surg. & Radiogr. 10 173 They show a radiolucency or radiopacity. 1940 Bull. Johns Hopkins Hosp. 66 91 The cutaneous region of the foetus is usually represented by a dark line, due to radiolucency. 1977 Ann. Internal Med. 86 375/2 Roentgenograms are in the European convention: light tones for radiolucency; dark tones for radio-opacity. 1993 S. J. Ettinger Pocket Compan. Textbk. Vet. Internal Med. lxix. 306 Hyperinflation of the lungs may result in increased radiolucency and flattening of the diaphragm. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1924
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