名詞 molecular weight:

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

1. A plasma globulin of high molecular weight.
   大球蛋白細(xì)胞分子中較重的血球蛋白
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.
   果膠任一種用于凝結(jié)各種食物、藥品和化裝品的高分子量且溶于水的膠質(zhì)碳水化合物，存在于如蘋果、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.
   聚合物許多天然和人工合成的化合物中的任一種，通常具高分子的重量，包含最多可達(dá)上百萬個(gè)的彼此重復(fù)且相連的單位，每一個(gè)單位都是一個(gè)相對較輕和較簡單的分子