1. (of a noun) not typically used in the plural or with the indefinite article; mass noun
Usage: linguistics; grammar term; also called uncountable or mass noun

Examples

• Water is a noncount noun because you say 'some water' rather than 'a water' or 'waters'.
• In English, 'furniture' is a noncount noun, so you cannot say 'a furniture'.
• The word 'information' is noncount, meaning it does not take a plural form in standard usage.
• Teachers often explain that noncount nouns like 'rice' and 'sand' cannot be preceded by 'a'.
• Noncount nouns require different grammar rules than regular count nouns.