mass noun

mass nounBrE /ˈmæs naʊn/ 🔊NAmE /ˈmæs naʊn/ 🔊 noun (grammar 语法) an uncountable noun 不可数名词a noun that is usually uncountable but can be made plural or used with a or an when you are talking about different types of sth. For example, bread is used as a mass noun in the shop sells several different breads. 物质名词（通常为不可数，但表示不同种类时可用复数或与 a 或 an 连用，例如 The shop sells several different breads 中的 bread）