radio-opacity

World English Dictionary
radiopaque or radio-opaque (ˌreɪdɪəʊˈpeɪk) [Click for IPA pronunciation guide]
 
adj
not permitting X-rays or other radiation to pass through
 
radio-opaque or radio-opaque
 
adj
 
radiopacity or radio-opaque
 
n
 
radio-o'pacity or radio-opaque
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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WordNet
radio-opacity

noun
opacity to X-rays or other radiation [syn: radiopacity
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Radio-opacity is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a chattering or flighty, light-headed person.
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