Countable
adjective
A term that can be numbered or listed; able to be counted. Often used to refer to a kind of noun in English.
In the sentence 'I have three dogs', 'dogs' is a countable noun.

Often appears as...
- countable noun
- countable quantity
adjective
In mathematics, it refers to any set that can be matched with the set of positive integers.
The set of all whole numbers is countable.

Often appears as...
- countable set
- countable union
Usage tips
Technical
adjective
In philosophy, it can refer to something that can be individually differentiated from a group.
The concept of a person is countable, as individuals can be differentiated from the rest of humanity.

Often appears as...
- countable differentiation
- countable entities
Usage tips
Formal
Academic
adjective
A term that can be numbered or listed; able to be counted. Often used to refer to a kind of noun in English.
In the sentence 'I have three dogs', 'dogs' is a countable noun.

Often appears as...
- countable noun
- countable quantity
adjective
In mathematics, it refers to any set that can be matched with the set of positive integers.
The set of all whole numbers is countable.

Often appears as...
- countable set
- countable union
Usage tips
Technical
adjective
In philosophy, it can refer to something that can be individually differentiated from a group.
The concept of a person is countable, as individuals can be differentiated from the rest of humanity.

Often appears as...
- countable differentiation
- countable entities
Usage tips
Formal
Academic
Definition 1 of 3

Real-life Objects
Countable usually refers to things you can physically count, like apples, books, or cars.

She has five apples in her basket; apples are countable.
Plurals Matter
Countable nouns can be singular or plural; their form changes with number.

One dog, two dogs; 'dog' is a countable noun.
Use with Numbers
Use countable nouns with numbers and words like 'many', 'few', or 'several'.

I drank three cups of water; 'cups' is countable.
Real-life Objects
Countable usually refers to things you can physically count, like apples, books, or cars.

She has five apples in her basket; apples are countable.
Plurals Matter
Countable nouns can be singular or plural; their form changes with number.

One dog, two dogs; 'dog' is a countable noun.
Use with Numbers
Use countable nouns with numbers and words like 'many', 'few', or 'several'.

I drank three cups of water; 'cups' is countable.
Real-life Objects
Countable usually refers to things you can physically count, like apples, books, or cars.

She has five apples in her basket; apples are countable.
Plurals Matter
Countable nouns can be singular or plural; their form changes with number.

One dog, two dogs; 'dog' is a countable noun.
Use with Numbers
Use countable nouns with numbers and words like 'many', 'few', or 'several'.

I drank three cups of water; 'cups' is countable.
Video examples
The Infinite Hotel...
since 6 is not a power of any prime number. Luckily, his bosses weren't very good in math, so his job is safe. The night manager's strategies are only possible because while the Infinite Hotel is certainly a logistical nightmare, it only deals with the lowest level of infinity, mainly, the countable infinity of the natural numbers,
Video examples
It's OK to feel...
and what I'm seeing happening right now -- I said this to you the other day, Chris -- is there's a relatively small percentage of the population who will suffer physically from this disease, and there's a larger percentage who are going to suffer economically from it. But then there's this massive, uncountable number of people
Video examples
Safari Live - Day 154 PIPE...
I also like that countable marine nettles guard battle-scarred count the
Video examples
The Infinite Hotel...
since 6 is not a power of any prime number. Luckily, his bosses weren't very good in math, so his job is safe. The night manager's strategies are only possible because while the Infinite Hotel is certainly a logistical nightmare, it only deals with the lowest level of infinity, mainly, the countable infinity of the natural numbers,
Video examples
It's OK to feel...
and what I'm seeing happening right now -- I said this to you the other day, Chris -- is there's a relatively small percentage of the population who will suffer physically from this disease, and there's a larger percentage who are going to suffer economically from it. But then there's this massive, uncountable number of people
Video examples
Safari Live - Day 154 PIPE...
I also like that countable marine nettles guard battle-scarred count the
Example 1 of 3
Quote examples
Seth Shostak
American Scientist
Astronomers still can't decide what the shape of our universe is. Is it closed and finite, which is to say, is there a countable tally of all the galaxies that exist, even beyond the ones we can see? Or is it infinite? The latter possibility is still on the table.

Quote examples
Sam Kean
American Writer
Except for certain moments - when cells are dividing, for instance - chromosomes don't form compact, countable bodies inside cells. Instead, they unravel and flop about, which makes counting chromosomes a bit like counting strands of ramen in a bowl.

Quote examples
Seth Shostak
American Scientist
Astronomers still can't decide what the shape of our universe is. Is it closed and finite, which is to say, is there a countable tally of all the galaxies that exist, even beyond the ones we can see? Or is it infinite? The latter possibility is still on the table.

Quote examples
Sam Kean
American Writer
Except for certain moments - when cells are dividing, for instance - chromosomes don't form compact, countable bodies inside cells. Instead, they unravel and flop about, which makes counting chromosomes a bit like counting strands of ramen in a bowl.

Example 1 of 2
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