(organic chemistry, countable) Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes. / (organic chemistry, uncountable) Lutein.

In loudspeaker acoustics, referring to a region where the intensity of direct, unreflected sound from the source (such as a loudspeaker) is significantly dominant over any indirect or reflected sound.

of, or relating to a trophoblast

simple past tense and past participle of utilise