unoxidatedadj.
/ˌʌnˈɒksᵻdeɪtᵻd/, U.S. /ˌənˈɑksəˌdeɪdᵻd/ Chiefly Chemistry.
Not containing or combined with oxygen; unoxidized. Also (now rare): unoxygenated.
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the world > matter > chemistry > chemical properties > [adjective] > consisting of or containing oxygen > not mixed or combined with
unoxygenated1789
unoxidated1797
unoxidized1804
1797 J. Bell Anat. Human Body II. 203 The left heart then drives this blood, unoxydated as it is, into the aorta.
1805 Philos. Mag. 22 130 (note) The unoxidated mercury besides continually exercises a chemical attraction on one of the principles of the acid.
1848 Jrnl. Royal Agric. Soc. 9 163 If in the burning of plants unoxidated sulphur escapes in variable proportions, why should not unoxidated phosphorus, supposing it to exist, be equally dissipated in the combustion?
1930 Science 25 Apr. 441/2 Fruit injury and dropping occurs when oil sprays are applied on trees carrying unoxidated sulphur deposits.
2004 M. Heim Exploring America's Highways 151 Most mining since the 1950s has instead extracted the magnetic mineral magnetite from unoxidated ore.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1797