oxoacid

As a letter s

is the letter s with a.

As a noun oxoacid is

(chemistry) an oxyacid.

As nouns the difference between oxoacid and null

is that oxoacid is (chemistry) an oxyacid while null is zero, nil; the cardinal number before einn.

In chemistry|lang=en terms the difference between oxoacid and hydroxyl

is that oxoacid is (chemistry) an oxyacid while hydroxyl is (chemistry) a univalent radical or functional group (–oh) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

As nouns the difference between oxoacid and hydroxyl

is that oxoacid is (chemistry) an oxyacid while hydroxyl is (chemistry) a univalent radical or functional group (–oh) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

As a noun oxoacid

is (chemistry) an oxyacid.

As an adjective oxy is

abbreviation of occidental.

As nouns the difference between oxacid and oxoacid

is that oxacid is while oxoacid is (chemistry) an oxyacid.