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dia

Pronunciation: [ˈdaɪə]

Word

Learn how to use dia in a sentence: 9 audio examples across 3 meanings.

Context: “geometry”

(noun) the distance across a circle through its center. If you measure how wide a circle is by going straight through the middle, that measurement is called the diameter.

Example

The diameter of the pizza is 12 inches, which means it's quite large.

Example

The diameter of the small cookie is not very big; it's only 2 inches.

Example

What is the diameter of this round table?

Context: “science”

(noun) a unit of measurement equal to one billionth of a meter. This is really tiny! Scientists use the term 'nanometer' to talk about things that are super small, like tiny particles.

Example

The scientist measured the virus in nanometers to understand its size.

Example

That object cannot be seen with our eyes because it's smaller than one nanometer.

Example

How many nanometers are in a millimeter?

Context: “language”

(prefix) used at the beginning of words to mean 'through' or 'across.' This prefix helps show that something is happening all the way from one side to the other.

Example

The word 'dialogue' has 'dia' at the start, meaning communication is happening across two people.

Example

A monologue doesn’t have 'dia' because it's just one person talking, with no one across from them.

Example

Can you think of any other words that start with 'dia'?

How to pronounce dia

Pronunciation: [ˈdaɪə]

Listen and repeat as many times as you need.

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