molecular weight

名词 molecular weight:

1. (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
   同义词：relative molecular mass

1. A plasma globulin of high molecular weight.
   大球蛋白细胞分子中较重的血球蛋白
2. Any of a group of water-soluble colloidal carbohydrates of high molecular weight found in ripe fruits, such as apples, plums, and grapefruit, and used to jell various foods, drugs, and cosmetics.
   果胶任一种用于凝结各种食物、药品和化装品的高分子量且溶于水的胶质碳水化合物，存在于如苹果、杏和葡萄等成熟的水果中
3. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
   聚合物许多天然和人工合成的化合物中的任一种，通常具高分子的重量，包含最多可达上百万个的彼此重复且相连的单位，每一个单位都是一个相对较轻和较简单的分子