[ adj ] too small to make a significant difference <adj.all> inappreciable fluctuations in temperature
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.