American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition period in American English

period noun

[countable] noun
/ˈpɪriəd/
1

an amount of time during which something happens

Example

The long dry period ended with torrential rain.

Example

A decision has to be made within a period of three months.

Example

They reached these conclusions in a relatively short period of time.

1.1

a particular amount of time in history

Example

Their collection is confined solely to the Roman period.

1.2

a particular part of someone's life or career

Example

This is described as the artist's angry period.

1.3

a division in a school day when a particular subject is taught

Example

They have another period of science this afternoon.

Example

math period

Synonyms and related words
2

a mark used in writing and printing to show where a sentence ends. The British word is full stop.

Synonyms and related words
2.1

used for emphasis to show that there is no more to be said about something

Example

Marriage is about a life-long commitment, period.

Synonyms and related words
3

the time about once a month when a woman who is not pregnant menstruates (=loses blood)

Example

I realized I might be pregnant when I missed my period.

Synonyms and related words
Definition period in American English