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-ous

From Wiktionary, the free dictionary
See also:ousand-ouš

English

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Alternative forms

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Etymology

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FromMiddle English-ous, fromOld French-ous,-os,-us, fromLatin-ōsus(full of).Doublet of-ose and-wise in unstressed position. Many English adjectives ending in-ous were taken from preexisting French or Latin adjectives that end in one of the above suffixes (e.g.envious corresponds directly to Old Frenchenvious which in turn corresponds directly to Latininvidiōsus). In addition,-ous (or the variant form-ious) has at times been attached to English nouns to form derived adjectives that lack precedents in French or Latin, such asslumberous fromslumber orblizzardous fromblizzard. It has also been used in some cases as a means of adapting adjectives borrowed from Latin that originally ended simply in-us, -a, -um (for example,obvious andprevious are derived from Latinobvius andpraevius, not*obviōsus or*praeviōsus).

Pronunciation

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Suffix

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-ous

  1. Used to formadjectives from nouns, to denote:
    1. possession of
      bulb + ‎-ous → ‎bulbous
    2. presence of a quality in any degree (typically an abundance)
      courage + ‎-ous → ‎courageous
      joy + ‎-ous → ‎joyous
      poison + ‎-ous → ‎poisonous
      riot + ‎-ous → ‎riotous
    3. relation orpertinence to
      aptonym + ‎-ous → ‎aptonymous
      arrhenotoky + ‎-ous → ‎arrhenotokous
  2. (chemistry)Used inchemical nomenclature to namechemical compounds in which a specifiedchemical element has a loweroxidation number than in the equivalent compound whose name ends in the suffix-ic. For examplesulphuric acid (H2SO4) has more oxygen atoms per molecule thansulphurous acid (H2SO3). SeeInorganic nomenclature.

Synonyms

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Derived terms

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Related terms

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Translations

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Note: Translations of English words ending in-ousdo 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

See also

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Anagrams

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Middle English

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Alternative forms

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Etymology

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FromOld French-ous,-us,-eus, fromLatin-ōsus.

Pronunciation

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Suffix

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-ous

  1. Forms adjectives from nouns or verbs, especially if of Romance origin.

Derived terms

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Descendants

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References

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Old French

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Suffix

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-ous

  1. alternative form of-us
Retrieved from "https://en.wiktionary.org/w/index.php?title=-ous&oldid=83775374"
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