anhydride
nounmasculinetécnico/ɐˈniðɾidu/low
a·ni·dri·do
Definition
A nonmetallic oxide that combines with water to form an acid. (Chemical term).
Carbon dioxide (CO2) is an anhydride of carbonic acid.
Sulfur dioxide is used as a food preservative.
Common collocations
carbonic anhydridesulfuric anhydridephthalic anhydride
Etymology
Do grego 'an-' (sem) + 'hydōr' (água), através do latim científico 'anhydridum'.