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In linguistics, a count noun (also countable noun) is a noun that can be modified by a numeral and that occurs in both singular and plural forms, and that co-occurs with quantificational determiners like ''every'', ''each'', ''several'', etc. A mass noun has none of these properties. It can't be modified by a numeral, occur in singular/plural, or co-occur with quantificational determiners. ==Examples== Below are examples of all the properties of count nouns holding for the count noun ''chair'', but not for the mass noun ''furniture''. * Occurrence in plural/singular. : There is a chair in the room. : There are chairs in the room. : There is a furniture in the room. (incorrect) : There are furnitures in the room. (incorrect) * Co-occurrence with count determiners : Every chair is man made. : There are several chairs in the room. : Every furniture is man made. (incorrect) : There are several furnitures in the room. (incorrect) Some determiners can be used with both mass and count nouns, including "some", "a lot (of)", "no". Others cannot: "few" and "many" are used with count items, "little" and "much" with mass. (On the other hand, "fewer" is reserved for count and "less" for mass (see Fewer vs. less), but "more" is the proper comparative for both "many" and "much".) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「count noun」の詳細全文を読む スポンサード リンク
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