Last modified on 14 July 2014, at 05:59

EnglishEdit

Alternative formsEdit

EtymologyEdit

From Old French -ous and -eux, from Latin -ōsus (full, full of).

SuffixEdit

-ous

  1. Used to form adjectives from nouns.
    bulbous from bulb
    courageous from courage
    joyous from joy
    poisonous from poison
    riotous from riot
  2. (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.

SynonymsEdit

Derived termsEdit

TranslationsEdit

Note - translations of English words ending in -ous do not necessarily end in the suffixes listed below.

See alsoEdit


Old FrenchEdit

SuffixEdit

-ous

  1. Alternative form of -us.