BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: remove impurities from, increase the concentration of, and separate through the process of distillation
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"purify the water";
Similiar / Same: purify, make pure, sublimate
Categories: better, improve, amend, ameliorate, meliorate
Within this category: refine, purge
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