A Berber language spoken in Algeria.

plural of troid

(organic chemistry) A nitrogenous substance closely resembling diastase, obtained from bran, and possessing the power of converting starch into dextrin, sugar, and lactic acid.

(mathematics) A variant of hepta-, used for multiplication with a second numerical prefix. / (chemistry) A variant of hepta-, used for substitutions of seven complex rather than simple units.