The Welsh copper industries of mining, smelting and refining created generations of talented workers. Although dominated by men, women took part too, particularly in the North Wales mines. Copperworking settlements created new communities in Wales and abroad.
Bitter definition, having a harsh, disagreeably acrid taste, like that of aspirin, quinine, wormwood, or aloes. See more.
Bitter almonds come from the amara variety of the almond tree, as well as some trees from the more widely grown dulcis variety. The bitter taste is a result of glycoside amygdalin (C20H27NO11). When heated or exposed to certain enzymes and vitamins, this is converted to hydrogen cyanide, HCN.