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

Juno was close enough to four of these stealth superstorms to analyze microwaves from their lightning. —Charles Q. Choi, Space.com, 26 Mar. 2026

China showcased missiles, artillery, lasers, and microwave weapons as part of a layered defense concept. —Aamir Khollam, Interesting Engineering, 26 Mar. 2026

Verb

Never, ever microwave or freeze squeeze toys. —Samantha Neely, Freep.com, 25 Mar. 2026

This neck heating pad is filled with flaxseed that can be microwaved and then positioned directly at the neck for maximum comfort. —Bestreviews, Mercury News, 18 Mar. 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