mass noun

noun, Grammar
1.
a noun, as water, electricity, or happiness, that typically refers to an indefinitely divisible substance or an abstract notion, and that in English cannot be used, in such a sense, with the indefinite article or in the plural.
Also called noncount noun, uncountable noun, uncount noun.
Origin
1930–35
British Dictionary definitions for un countable noun
mass noun
 
n
Compare count noun a noun that refers to an extended substance rather than to each of a set of isolable objects, as, for example, water as opposed to lake. In English when used indefinitely they are characteristically preceded by some rather than a or an; they do not have normal plural forms

Collins English Dictionary - Complete & Unabridged 10th Edition
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Tile value for un

2
4
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