1. A rounded, granular prominence on the back of a sepal.

2. See <<cereal>>

3. See <<drupelet>>

The particles or discrete crystals that make up a sediment or rock.

A small particle of metallic silver remaining in a photographic emulsion after developing and fixing; these grains together form the dark areas of a photographic image.

The particles which make up settled snow, firn, and glacier ice.

1. The appearance and texture of wood due to the arrangement of constituent fibers.

2. The woodlike appearance or texture of a rock, metal, or other material.

3. The direction in which most fibers lie in a sample of paper, which corresponds with the way the paper was made on the manufacturing machine.

A unit of mass in the United States and United Kingdom, common to the avoirdupois, apothecaries', and troy systems, equal to 1/7000 of a pound, or to 6.479891 × 10^-5 kilogram. Abbreviated gr.

A single piece of solid propellant, regardless of size or shape, used in a gun or rocket; a rocket grain is often very large and shaped to fit its requirements.

The direction in a piece of fabric which is parallel with the selvage.