1) one of the thin pieces of hard material that cover the skin of many fish etc; the chalky deposit inside kettles, water-pipes etc; a simple balance or instrument for weighing by comparing something with a known mass; any machine used for weighing (scale)
covered with, full of, like, dust
filled with or covered with powdery particles
(of) the white substance forming the tusk of elephants
fair
of the colour of fresh snow or common salt; a colourless part, e.g. round the yolk of an egg
extremely pale; lacking color