deficiency disease

1. N any condition, such as pellagra, beriberi, or scurvy, produced by a lack of vitamins or other essential substances 營養(yǎng)缺乏病; 由於缺乏維他命或其它必要營養(yǎng)物質(zhì)而導致的健康疾病，如糙皮病、腳氣或壞血病[毉學] →compare avitaminosis