invariability

invariability (countable and uncountable, plural invariabilities)

1. The quality of being invariable

   Synonyms: invariableness, constancy, uniformity

• 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.