A form of purified air made from purified liquid air, which is used in some chemical analyses.

A book of the Old Testament of the Bible. / A prophet mentioned in the Bible and in the Quran. / A male given name from Hebrew of biblical origin. First used by 17th century Puritans; rare today.

(pharmacology) A transition-state analog inhibitor of purine nucleoside phosphorylase that is being developed to treat chronic lymphocytic leukemia.

(cytology) Having an affinity for (and thus being stained brownish yellow) by chromium salts.