Purity is a initialism of btex.
As a proper noun purity
is from the virtue purity.
As an initialism btex is
benzene, toluene, ethylbenzene, and ortho-, meta-, and para- xylenes: toxic vocs commonly found together, used in the chemical analysis of air and water to determine their quality and purity.
purity
English
Noun
(purities)
The state or degree of being pure.
Antonyms
* impurity
btex
English
Initialism
(Initialism)
(head)
benzene, toluene, ethylbenzene, and ortho-, meta-, and para- xylenes: toxic VOCs commonly found together, used in the chemical analysis of air and water to determine their quality and purity.