microwave

1 of 2

noun

mi·​cro·​wave ˈmī-krō-ˌwāv 

often attributive

1

: a comparatively short electromagnetic wave

especially : one between about one millimeter and one meter in wavelength

2

: microwave oven

microwave

2 of 2

verb

microwaved; microwaving; microwaves

transitive verb

: to cook or heat in a microwave oven

microwavable adjective

or microwaveable

ˌmī-krō-ˈwā-və-bəl 

Examples of microwave in a Sentence

Noun

The apartment came with a microwave.

Verb

microwave a bowl of soup

Recent Examples on the Web

Noun

This set from the Good Grips collection is made of borosilicate glass, which is food-safe like standard glass, but also more resistant to heat—meaning it can be taken out of the freezer and popped straight into the microwave to reheat leftovers without shattering. —Caley Sturgill, Southern Living, 30 Jan. 2026

Employees’ beverages without a lid was stored on the food prep table and above the microwave. —Veronica Fernandez-Alvarado january 30, Sacbee.com, 30 Jan. 2026

Verb

To make mornings simpler, cook the squash ahead — roasted, sautéed or even microwaved — and keep it on hand for a week of toast, wraps, salads and simple sides. —Laura McLively, Mercury News, 23 Jan. 2026

MuWave is accelerating commercialization of fusion energy by offering solutions to microwave heating and current drive systems, and will also target to solve the THz gap to unlock many other use cases for microwave wave systems. —Prabhat Ranjan Mishra, Interesting Engineering, 22 Jan. 2026

Word History

First Known Use

Noun

1931, in the meaning defined at sense 1

Verb

1973, in the meaning defined above

Phrases Containing microwave

• cosmic microwave background
• microwave oven

Rhymes for microwave

• aftershave
• architrave
• autoclave
• misbehave
• agave
• behave
• concave
• conclave
• enclave
• engrave
• enslave
• forgave

Kids Definition

microwave

1 of 2 noun

mi·​cro·​wave ˈmī-krō-ˌwāv 

1

: a radio wave between one millimeter and one meter in wavelength

2

: microwave oven

microwave

2 of 2 verb

: to cook or heat in a microwave oven

microwavable adjective

or microwaveable

ˌmī-krə-ˈwā-və-bəl 

Medical Definition

microwave

noun

mi·​cro·​wave -ˌwāv 

often attributive

: a comparatively short electromagnetic wave

especially : one between about 1 millimeter and 1 meter in wavelength