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What are Mass Nouns? (Mass Nouns vs Collective Nouns)

Mass nouns, also non-count nouns, are things or concepts that we cannot physically count. Think fire, sand and water, which are things we cannot count.

Last updated on February 10th, 2024 at 08:17 pm



What is a mass noun?

Have you ever tried to count the individual grains of rice in a bag? Bet you haven’t …  or you’d probably still be counting them all. What about the grains of sand on a beach, or water, for that matter?

If the thought of counting rice makes your head want to implode (as it should), see how English at least tries to make sense in this case by assuming their plentifulness linguistically. Rice, sand, water, oil, knowledge and justice are what we call mass nouns in English, also known as uncountable nouns or non-count nouns.

Uncountable nouns and mass nouns are literally what they’re called: they are things in the world, and even ideas and concepts, that we cannot physically or literally count/quantify. Mass nouns only use singular noun forms, for the most part, and have no plural noun form (despite referring to things that are abundant and seem plural, at least intuitively).

Mass Nouns Chart
Mass Nouns Chart

What are plural and singular nouns?  

Some things are easy for us to count: pens, books, tables and dogs are all things that we can count and assign a number to indicate the exact quantity/amount of that thing there are at any given point in time. English reflects count by having two kinds of nouns: singular and plural.

In most cases, regular plural noun forms use an -s or –es at the end to show plurality, or more than one. Importantly, not all plural nouns take on an –s or –es to convert to plural, see how goose plural is geese, or man plural is men. These are considered irregular plural nouns forms in English (since they don’t use the standard -s/-es to show plural). Anything that has a singular and plural noun form are things that we can count. This is what differentiates mass nouns, or non-count nouns from other types of countable nouns (such as a pen or dog.)

Collective nouns vs. mass nouns

What’s the difference between a collective noun and a mass noun? This sounds tricky, but fear not—the distinction isn’t all that complicated. Collective nouns, like the name suggests, mention a collective, group or number of persons as one unit or whole.  See these examples of collective nouns:

An army is made up of a collection of soldiers,

A jury is a group of jurors.

A fleet is a collection of ships or vessels.

Mass nouns are therefore distinct from collective nouns, mass nouns do not refer to a group or collection of persons necessarily, but can refer to abstract concepts, substances or masses of things (think elements like fire, water or smoke.)

Mass nouns vs plural-only nouns

Just like mass nouns only have a singular noun form, some nouns are pluralonly. Nouns that are plural-only are made up of parts or pieces. Think of common objects like glasses, scissors, pliers and jeans. Each of these objects and nouns are made up of more than one part of something, and so English reflects this by having them stay as a plural noun form (for the most part).

Sources

  1. English Grammar and Composition, P.C. Wren.
  2. Grammarly on mass nouns.

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