The medullary rays in timber.

plural of grain refiner

(engineering) An alloyant used to refine grains in a cast macrostructure

Grain seed saved from one year's harvest for the subsequent year's planting.

plural of grain elevator

(idiomatic) With a little common sense and skepticism.

Synonym of wheat weevil

plural of grain beetle

Any of several beetles from the families Silvanidae and Laemophloeidae that infest grains and grain products.

A small hard yellowish aggregation found in the Caucasus region, containing various yeasts and bacteria, and used as a ferment in preparing kefir.