- Used to form adjectives from nouns, to denote possession or presence of a quality in any degree, commonly in abundance.
- (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 (H2SO4) has more oxygen atoms per molecule than sulphurous acid (H2SO3). See Inorganic nomenclature.
Note: Translations of English words ending in -ous do not necessarily end in the suffixes listed below.
suffix to form adjectives
chemical compounds in which a specified chemical element has a lower oxidation number
- Alternative form of