invariability

== English == === Noun === invariability (countable and uncountable, plural invariabilities) The quality of being invariable Synonyms: invariableness, constancy, uniformity === References === William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “invariability”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. “invariability”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.