The aroma of cologne surrounded him and his breath smelled like he had recently brushed his teeth.
The room smelled of over-cleaning with an underlying aroma of cigarette smoke.
To the chemical changes, mainly oxidation, which go on in this juice while it is exposed to the air, the characteristic aroma and flavour of Perique tobacco are mainly due.
It is then examined by a native expert (purkhea) as to impurities, colour, fracture, aroma and consistence.
The commercial value of tea, coffee, wine and other beverages may be said to depend largely on the delicate aroma which they owe to the presence of minute quantities of ethereal oils.
Quite apart from the genuineness of a sample, its special aroma constitutes the value of an oil, and in this respect the judging of the value of a given oil may, apart from the purity, be more readily solved by an experienced perfumer than by the chemist.