radiolucent, a.
(reɪdɪəʊˈl(j)uːsənt)
[f. radio- 2 + translucent a.]
Transparent to X-rays. So radioˈlucency, the state or property of being radiolucent.
| 1917 K. 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. 1940 Bull. Johns Hopkins Hosp. LXVI. 91 The cutaneous region of the foetus is usually represented by a dark line, due to radiolucency. 1961 Dental Progr. I. 177/2 Most of the difficulty in diagnosis was caused by general graininess of the film combined with poor contrast between areas of varying radiolucency. 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. |