adj. 1 not easily grasped by the mind; intangible. 2 imperceptible to the touch. 3 (of powder) very fine; not containing grains that can be felt. impalpability n. impalpably adv.
[ F impalpable or LL impalpabilis (as IN-(1), PALPABLE) ]
IMPALPABLE
Meaning of IMPALPABLE in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012