[1860–65; cobalt + -ous]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: blind spot, institutionalism, jumping jack, pop-up, trade name-ous is a suffix forming adjectives that have the general sense “possessing, full of”a given quality (covetous; glorious; nervous; wondrous); -ous and its variant -ious have often been used to Anglicize Latin adjectives with terminations that cannotbe directly adapted into English (atrocious; contiguous; garrulous; obvious; stupendous). As an adjective-forming suffix of neutral value, it regularly Anglicizes Greekand Latin adjectives derived without suffix from nouns and verbs; many such formationsare productive combining forms in English, sometimes with a corresponding nominalcombining form that has no suffix (as -fer and -ferous; -phore and -phorous; -pter and -pterous; -vore and -vorous)
Examples of 'cobaltous' in a sentence
cobaltous
Calcium carbonate and cobaltous carbonate did not promote the acetylation of 4-ntirobenzyl alcohol using acetic anhydride.
Fulgentius Nelson Lugemwa, Koonj Shaikh, Edwin Hochstedt 2013, 'Facile and Efficient Acetylation of Primary Alcohols and Phenols with Acetic AnhydrideCatalyzed by Dried Sodium Bicarbonate', Catalystshttp://www.mdpi.com/2073-4344/3/4/954. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)