レンチン

れんちん
noun / suru verb
microwaving, heating in a microwave
1. microwaving, heating in a microwave
Informal term for heating food in a microwave oven. From レンジ (range/microwave) + チン (the beep sound when done).
レンチンするだけでいい。
You just need to microwave it.
弁当(べんとう)をレンチンした。
I microwaved my bento.
冷凍(れいとう)(はん)をレンチンして()べるのが一番(いちばん)(らく)だ。
The easiest option is to microwave frozen rice and eat that.

レンチン is a casual compound word formed from レンジ (microwave oven) + チン (the ding sound a microwave makes when done). It is used as both a noun and a suru verb.

WORD FORMATION:
レンジ (microwave) + チン (ding sound) → レンチン

COMMON COLLOCATIONS:

  • レンチンする: to microwave
  • レンチンするだけ: just microwave it
  • レンチン料理(りょうり): microwave cooking

NOTE:
This word is casual and commonly used in everyday conversation and on social media. In more formal contexts, 電子(でんし)レンジで(あたた)める is preferred.