indistinguishability

indistinguishability (countable and uncountable, plural indistinguishabilities)

1. The state of being indistinguishable.

   Synonym: indistinguishableness

   Antonym: distinguishability

   • 1872, The Quarterly Review‎^[1], John Murray, pages 99-100:

     Supposing, for example, that in carrjing our eye along a log of wood, and a piece of stone^ we find the troublof moving the eye (which, though small, is perceptible) to be neither greater nor less in the one case than in the other, these two efforts will e then be indistinguishable to us ; and if we find many cases of such indistinguishability, we shall want a word to express the idea ; we shall call it equality.

   • 1991, Earl H. Tilford Jnr, Setup: what the Air Force did in Vietnam and why:

     At times Air Force and CAS efforts blended to the point of indistinguishability.

   • 1996 Bose-Einstein Condensation: An Introduction

     But due to the indistinguishability of the particles in the sample, it describes a decay mechanism that occurs for all N atoms simultaneously.

• indistinguishable