Wordnet 3.0
ADJECTIVE (1)
1.
too small to make a significant difference;
- Example: "inappreciable fluctuations in temperature"
The Collaborative International Dictionary of English v.0.48:
Inappreciable \In`ap*pre"ci*a*ble\, a. [Pref. in- not +
appreciable: cf. F. inappr['e]ciable.]
Not appreciable; too small to be perceived; incapable of
being duly valued or estimated. --Hallam.
[1913 Webster]
WordNet (r) 3.0 (2006):
inappreciable
adj 1: too small to make a significant difference;
"inappreciable fluctuations in temperature"