2. Suffix. (chemistry) Used in chemical nomenclature to name chemical compounds in which a specified chemical element has a lower oxidation number than in the equivalent compound whose name ends in the suffix -ic. For example sulphuric acid (hydrogen H2sulfate SO4) has more oxygen atoms per molecule than sulphurous acid (H2SO3). See w:Inorganic nomenclature Inorganic nomenclature. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of -ous
-opia -opsida -opsy -or -orama -ory -os -os- -oscopy -ose | -osin -osis -osity -ostomy -otomy -ous (current term) -ov -pants -partite -path | -pathy -pause -pedia -penia -person -phage -phagy -phil -phile -philia |