Meaning of OPAQUE in English

OPAQUE

/ əʊˈpeɪk; NAmE oʊ-/ adjective

1.

( of glass, liquid, etc. ) not clear enough to see through or allow light through :

opaque glass

opaque tights

2.

( of speech or writing ) difficult to understand; not clear

SYN impenetrable :

The jargon in his talk was opaque to me.

OPP transparent

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WORD ORIGIN

late Middle English opake , from Latin opacus darkened. The current spelling (rare before the 19th cent.) has been influenced by the French form.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.