(~s, crystallizing, ~d)
Note: in BRIT, also use 'crystallise'
1.
If you ~ an opinion or idea, or if it ~s, it becomes fixed and definite in someone’s mind.
He has managed to crystallise the feelings of millions of ordinary Russians...
Now my thoughts really began to crystallise.
VERB: V n, V
2.
If a substance ~s, or something ~s it, it turns into crystals.
Don’t stir or the sugar will crystallise.
...a 19th century technique that actually ~s the tin.
VERB: V, V n