Definify.com

Webster 1913 Edition

Adj.

[Pref.

in-

not +

appreciable

: cf. F.

inappréciable

Not appreciable; too small to be perceived; incapable of being duly valued or estimated.

Hallam.

Adj.

[in and appreciable, from appreciate.]

Not to be appreciated; that cannot be duly valued.

That cannot be estimated.

See also: inappréciable

inappreciable

insignificant, undetectable, not able to be noticed
- 1830, Charles Babbage, Decline of Science in England
  ...genius marks its tract, not by the observation of quantities inappreciable to any but the acutest senses, but by placing Nature in such circumstances, that she is forced to record her minutest variations on so magnified a scale, that an observer, possessing ordinary faculties, shall find them legibly written.