adjective
1.
( of glass, water, etc. ) completely clear and bright
2.
very easy to understand; completely obvious :
I want to make my meaning crystal clear.
➡ note at clear
adjective
1.
( of glass, water, etc. ) completely clear and bright
2.
very easy to understand; completely obvious :
I want to make my meaning crystal clear.
➡ note at clear
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005