oxygenousadj.

1787 R. Kirwan Ess. Phlogiston ii. 22 The vitriolic acid, according to them [sc. Lavoisier, etc.] consists of sulphur as its base, and pure air, in a concrete state, as its acidifying or oxygenous principle.

1822 J. Imison Elem. Sci. & Art II. 47 The reason of this is, that the oxygenous part of the air has united to the metal.

1875 H. S. Maine Village Communities (1876) 213 The exclusive food of the natives of India is of an oxygenous rather than a carbonaceous character.

1939 Jrnl. Amer. Chem. Soc. 61 885/1 The other changes..indicate the stability of these oxygenous groups against exchange.

1971 I. G. Gass et al. Understanding Earth xi. 154/1 Photosynthesis is the most likely process by which free oxygen might be generated in quantities sufficient to produce an oxygenous atmosphere.

1992 Nature 26 Mar. 308/1 The haem iron assumes a low-spin state with an oxygenous ligand.

1794 R. J. Sulivan View of Nature I. 233 On account of this property..the denomination of oxigenous gas has been given to vital air.

1787 R. Kirwan Ess. Phlogiston ii. 22 The vitriolic acid, according to them [Lavoisier, etc.] consists of sulphur as its base, and pure air, in a concrete state, as its acidifying or oxygenous principle.

1788 J. Priestley in Philos. Trans. (Royal Soc.) 157 The term oxygenous principle may be given to that thing which, when it is incorporated with water, makes dephlogisticated air.

1844 N. Brit. Rev. Nov. 59 He concluded that oxygen, as it exists in the atmosphere, is a compound of real oxygen and the matter of light; that when a taper burns this light is set free, while the wax unites with the actual oxygenous principle of oxygen and melts ‘into thin air.’

1871 A. Ure Dict. Arts 793 This beautiful interchange of the oxygenous principle was found to go on, in their experiments, till either the sulphurous acid, or oxygen in the air, was exhausted.