ruthenousadj.
/ˈruːθᵻnəs/, U.S. /ˈruθənəs/ Chemistry.
Of or containing ruthenium, esp. in the divalent state. Cf. ruthenic adj.2
ΚΠ
1865 F. Hudson Inorg. Chem. 10 (table) Ruthenous oxide.
1891 W. Ramsay Syst. Inorg. Chem. xxxii. 569 On warming this compound with hydrochloric acid, a violet precipitate of ruthenous cyanide, Ru(CN)2, is produced.
1949 Analyt. Chem. 21 103/1 The 1,10-phenanthroline ruthenous and the bipyridyl ruthenous ions have also been investigated as indicators.
2000 J. E. Earley et al. in E. T. Urbansky Perchlorate in Environment ix. 90 Titanous ion (Ti3+), ruthenous ions (Ru2+) and some Mo iii species all reduce perchlorate ion in aqueous media.
This is a new entry (OED Third Edition, March 2011; most recently modified version published online March 2022).
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adj.1865- to give one a for instance
- to give one a gleek
- to give one a slampant
- to give one an inkling
- to give one an inkling of something
- to give one as good as he brings or one gets
- to give one fifteen, etc, and a bisque
- to give one furiously to think
- to give one his kale through the reek
- to give one his own or his due
- to give one one's revenge
- to give one revenge
- to hit cross one over the thumbs
- to hit for six
- to hit for the cycle
- to hit home
- to hit in
- to hit in the eye
- to hit in the eyes
- to hit in the teeth with
- to hit it
- to hit it off
- to hit it on the button
- to hit it right on the button
- to hit off