- a compound that has been formed from another compound by dehydration
- a compound that forms an acid or base when added to water
WordReference Random House Unabridged Dictionary of American English © 2026
an•hy•dride
(an hī′drīd, -drid),USA pronunciation n. [Chem.]
- Chemistrya compound formed by removing water from a more complex compound: an oxide of a nonmetal (acid anhydride)or a metal (basic anhydride) that forms an acid or a base, respectively, when united with water.
- Chemistrya compound from which water has been abstracted.
- anhydrous + -ide 1860–65
Collins Concise English Dictionary © HarperCollins Publishers::
anhydride /ænˈhaɪdraɪd; -drɪd/ n
'anhydride' also found in these entries (note: many are not synonyms or translations):
acetic acid
- meta-
- ortho-
- phthalein
- rhodamine
- acetic anhydride
- acid anhydride
- anhydro-
- anthraquinone
- basic anhydride
- carbon dioxide
- cyclic AMP
- cyclic GMP
- hydrogen bromide
- hydrogen chloride
- hydrogen fluoride
- hydrogen iodide
- ketene
- maleic anhydride
- orthoxylene
- phosphoric anhydride
- phosphorus pentoxide
- phthalic anhydride
- phthalocyanine
- polyacid
- sulfuric anhydride
- sulfur trioxide