See Also: crystal clear(dictionary)
crystal(dictionary)
Crystal(medicine)
crystal(encyclopedia)
crystal(2)(dictionary)
crystal(1)(dictionary)
crystal structure(medicine)
crystal rash(medicine)
crystal violet(medicine)
hydrate crystal(medicine)

crystal clear (oh)



adj
very clearly stated and easy to understand
::I want to make one thing crystal clear - I do not agree with these proposals.
completely clean and clear
::the crystal clear water of the lake