(mineralogy) A hexagonal-dihexagonal dipyramidal pinkish tin white mineral containing antimony, copper, and tin.

Abbreviation of alternate. / Abbreviation of alternative, especially as a cultural phenomenon seen as being outside the mainstream of its genre.

(genetics) Relating to transferomics

(in appearance, speech, manner, etc.) Rough or surly. / (of a voice) Low and throaty; hoarse.