denitrifyv.
/diːˈnʌɪtrɪfʌɪ/ transitive. To deprive of nitrous or hyponitric acid.
Derivatives
deˈnitrified adj.
deˈnitrifying n. and adj.
ΚΠ
1892 W. Crookes tr. R. von Wagner Man. Chem. Technol. 266 [This] conveys it into the denitrifying apparatus.
denitrifying bacteria n. (see quot. 1951).
ΚΠ
1902 Encycl. Brit. XXVI. 56/2 Fresh manure abounds in denitrifying bacteria.
1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. viii. 241 Over against the nitrate formers stand the denitrifying bacteria which destroy nitric acid.
1951 M. Abercrombie et al. Dict. Biol. 68 Denitrifying bacteria, soil bacteria which in absence of oxygen break down nitrates and nitrites with evolution of free nitrogen.
deˈnitrifier n. a denitrifying agent.
ΚΠ
1892 W. Crookes tr. R. von Wagner Man. Chem. Technol. 272 The excess of sulphuric acid acts here at the wrong place as a denitrifier.
deˌnitrifiˈcator n. an apparatus used in sulphuric acid works to remove the nitrous vapours (nitrous or hyponitric acids) from the sulphuric acid previously ‘nitrated’ in the Gay Lussac tower.
ΚΠ
1891 G. Lunge Theoret. & Pract. Treat. Manuf. Sulphuric Acid & Alkali (ed. 2) I. 562 Another apparatus, constructed on the same principle..is the ‘Denitrificateur’ proposed by Gay-Lussac himself.
1892 W. Crookes tr. R. von Wagner Man. Chem. Technol. 266 Gay-Lussac's denitrificator consists of a tower of sheet lead.
This entry has not yet been fully updated (first published 1895; most recently modified version published online September 2018).
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