In linguistics, a mass noun, uncountable noun, non-count noun, uncount noun, or just uncountable, is a noun with the Syntax property that any quantity of it is treated as an undifferentiated unit, rather than as something with discrete elements. Uncountable nouns are distinguished from .
Given that different have different grammatical features, the actual test for which nouns are mass nouns may vary between languages. In English language, mass nouns are characterized by the impossibility of being directly modified by a numeral without specifying a unit of measurement and by the impossibility of being combined with an indefinite article ( a or an). Thus, the mass noun "water" is quantified as "20 litres of water" while the count noun "chair" is quantified as "20 chairs". However, both mass and count nouns can be quantified in relative terms without unit specification (e.g., "so much water", "so many chairs", though note the different quantifiers "much" and "many").
Mass nouns have no concept of singular and plural, although in English they take singular verb forms. However, many mass nouns in English can be converted to count nouns, which can then be used in the plural to denote (for instance) more than one instance or variety of a certain sort of entity – for example, " Many cleaning agents today are technically not soaps i.e., but detergents," or " I drank about three beers i.e.".
Some nouns can be used indifferently as mass or count nouns, e.g., three cabbages or three heads of cabbage; three ropes or three lengths of rope. Some have different Word sense as mass and count nouns: paper is a mass noun as a material ( three reams of paper, one sheet of paper), but a count noun as a unit of writing ("the students passed in their papers").
In languages that have a partitive case, the distinction is explicit and mandatory. For example, in Finnish language, join vettä, "I drank (some) water", the word vesi, "water", is in the partitive case. The related sentence join veden, "I drank (the) water", using the accusative case instead, assumes that there was a specific countable portion of water that was completely drunk.
The work of logicians like Godehard Link and Manfred Krifka established that the mass/count distinction can be given a precise, mathematical definition in terms of quantization and cumulativity.
which may be read as: X is cumulative if there exists at least one pair x,y, where x and y are distinct, and both have the property X, and if for all possible pairs x and y fitting that description, X is a property of the sum of x and y.Borer, Hagit. (2005) Structuring Sense: In Name Only. Volume 1. Oxford: OUP. (p. 124)
Consider, for example cutlery: If one collection of cutlery is combined with another, we still have "cutlery." Similarly, if water is added to water, we still have "water." But if a chair is added to another, we do not have "a chair", but rather two chairs. Thus the nouns "cutlery" and "water" have cumulative reference, while the expression "a chair" does not. The expression "chairs", however, does, suggesting that the generalization is not actually specific to the mass-count distinction. As many have noted, it is possible to provide an alternative analysis, by which mass nouns and plural count nouns are assigned a similar semantics, as distinct from that of singular count nouns.Brendan S. Gillon (1992) Towards a common semantics for English count and mass nouns. Linguistics and Philosophy 15: 597–639
An expression P has quantized reference if and only if, for any X:
Some expressions are neither quantized nor cumulative. Examples of this include like committee. A committee may well contain a proper part which is itself a committee. Hence this expression is not quantized. It is not cumulative, either: the sum of two separate committees is not necessarily a committee. In terms of the mass/count distinction, committee behaves like a count noun. By some accounts, these examples are taken to indicate that the best characterization of mass nouns is that they are cumulative nouns. On such accounts, count nouns should then be characterized as non-cumulative nouns: this characterization correctly groups committee together with the count nouns. If, instead, we had chosen to characterize count nouns as quantized nouns, and mass nouns as non-quantized ones, then we would (incorrectly) be led to expect committee to be a mass noun. However, as noted above, such a characterization fails to explain many central phenomena of the mass-count distinction.
One may say that mass nouns that are used as count nouns are "" and that count ones that are used as mass nouns are "". However, this may confuse syntax and semantics, by presupposing that words which denote substances are mass nouns by default. It has been suggested nouns do not have a lexical specification for mass-count status, and instead are specified as such only when used in a sentence.Keith Allan. 1980. Nouns and Countability. Language, 56(3):41–67.
Nouns differ in the extent to which they can be used flexibly, depending largely on their meanings and the context of use. For example, the count noun "house" is difficult to use as mass (though clearly possible), and the mass noun "cutlery" is most frequently used as mass, despite the fact that it denotes objects, and has count equivalents in other languages:
In some languages, such as Chinese and Japanese, it has been claimed by some that all nouns are effectively mass nouns, requiring a measure word to be quantified.
+ Occurrence of determiners |
How much damage? Very few. |
How many votes? Very little. |
Whereas more and most are uncontroversially the comparative and superlative of both much and many, a controversial prescription is for few and little to have differing comparative and superlative forms ( fewer, fewest and less, least), but use of less and least with count nouns has always been common (see Fewer versus less).
Some words, including "mathematics" and "physics", have developed true mass-noun senses despite having grown from count-noun roots.
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