|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a scrap or morsel of food left at a meal.|
|thiamine or thiamin (ˈθaɪəˌmiːn, -mɪn, ˈθaɪəmɪn)|
|biochem vitamin B1, Also: aneurin a soluble white crystalline vitamin that occurs in the outer coat of rice and other grains. It forms part of the vitamin B complex and is essential for carbohydrate metabolism: deficiency leads to nervous disorders and to the disease beriberi. Formula: C12H17ON4SCl.H2O|
|thiamin or thiamin|
|thiamine (thī'ə-mĭn) Pronunciation Key
A water-soluble pyrimidine derivative belonging to the vitamin B complex that is important in carbohydrate metabolism and normal activity of the nervous system. It is found in pork, organ meats, whole grain cereals, legumes, and nuts. Deficiency of thiamine in the diet results in beriberi. Also called vitamin B1. Chemical formula: C12H17ClN4OS.