invariable
nounEtymology From in- + variable.
1
Something that does not vary; a constant.
- Related terms
- invariant
invariable
adjUS /ɪnˈvɛɹ.i.ə.bl̩/ · UK /ɪnˈvɛə.ɹi.ə.bl̩/
Etymology From in- + variable.
1
Not variable; unalterable; uniform; always having the same value.
- Physical laws which are invariable.1860, Isaac Taylor, Ultimate Civilisation:
- “A tight little craft,” was Austin’s invariable comment on the matron; and she looked it, always trim and trig and smooth of surface like a converted yacht cleared for action.1907 August, Robert W[illiam] Chambers, chapter IX, in The Younger Set, New York, N.Y.: D. Appleton & Company, →OCLC:
1 more example
- The rebuilt "Merchant Navy" Pacifics have the monopoly of these workings, and Mr. C. K. Dunkley writes that as a result of their reduced water consumption, as compared with the unrebuilt engines, some engine-crews no longer spend time taking water at Southampton Central, the invariable practice previously.1957 October 23, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 714:
2
Mathematics, Sciences Constant.
3
Grammar, Human sciences, Linguistics, Sciences Broadly, Of a word That cannot undergo inflection, conjugation or declension.
Or a grammatical class
- The French adjective marron ‘brown’ is invariable: it does not take the usual s in the plural.
- Derived terms
- invariableness, invariable pendulum, invariable plane, invariably