Manufactured by ResMed. The AirCurveâ¢ 10 S BiLevel Machine with HumidAirâ¢ Heated Humidifier by ResMed is a cutting-edge unit designed to offer comfort through intuitive technology. Building on earlier versions, this bilevel machine delivers one pressure for inhalation and one pressure for exhalation.
Synonym Discussion of smell. smell, scent, odor, aroma mean the quality that makes a thing perceptible to the olfactory sense. smell implies solely the sensation without suggestion of quality or character an odd smell permeated the room.
Aroma is a term used to describe the general smell and/or taste of a certain plant or flower. Because consumers' individual definition of aromas (such as  earthy , skunky , or  citrus ) can differ somewhat, aroma descriptions are meant as a basic guideline.