| Noun | 1. | sense impression - an unelaborated elementary awareness of stimulation; "a sensation of touch" perception - the process of perceiving masking - the blocking of one sensation resulting from the presence of another sensation; "he studied auditory masking by pure tones" visual sensation, vision - the perceptual experience of seeing; "the runners emerged from the trees into his clear vision"; "he had a visual sensation of intense light" odour, olfactory perception, olfactory sensation, smell, odor - the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form; "she loved the smell of roses" gustatory perception, gustatory sensation, taste, taste perception, taste sensation - the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus; "the candy left him with a bad taste"; "the melon had a delicious taste" auditory sensation, sound - the subjective sensation of hearing something; "he strained to hear the faint sounds" synaesthesia, synesthesia - a sensation that normally occurs in one sense modality occurs when another modality is stimulated |