/ˈnɑːnˈkaʊnt-/ noun, pl ⋯ nouns [count]
grammar : a noun (such as “sand” or “butter”) that refers to something that cannot be counted
◇ Noncount nouns do not have a plural form and are not used with the indefinite articles a and an. — called also mass noun — compare ↑count noun
Useful english dictionary. 2012.