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What does anhydr- mean?

Anhydr- is a combining form used like a prefix meaning “anhydride.” Anhydride is a term from chemistry that means "a compound formed by removing water from a more complex compound." Anhydr- can also be used to mean "without water" more generally. It is used in scientific terms, especially in chemistry.Anhydr- ultimately comes from Greek á�Բ�̄����Dz�, meaning “waterless.” Á�Բ�̄����Dz� comprises two elements: a-, which is a variant of an-, meaning “not” or “without,” and ��ý��ō��, meaning “water.” To learn more, check out our 51�Թ�s That Use article on the combining form hydro-.What are variants of anhydr-?When combined with words or word elements that begin with a consonant, anhydr- becomes anhydro-, as in anhydrobiont. Want to know more? Read our 51�Թ�s That Use article for anhydro-.