S: (v) purify, sublimate, make pure, distill (remove impurities from, increase the concentration of, and separate through the process of distillation) "purify the water"
S: (v) sublime, sublimate (change or cause to change directly from a solid into a vapor without first melting) "sublime iodine"; "some salts sublime when heated"
S: (v) sublime, sublimate (vaporize and then condense right back again)