Adjective : IMPALPABLE
Source: WordNet 3.1
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1. (
) incapable of being perceived by the senses especially the sense of touch; "the intangible constituent of energy"- James Jeans ;
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2. (
) imperceptible to the senses or the mind; "an impalpable cloud"; "impalpable shadows"; "impalpable distinctions"; "as impalpable as a dream" ;
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3. (
) not perceptible to the touch; "an impalpable pulse" ;
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