電 波(でんぱ)

でんぱ

noun

radio waves, electromagnetic waves

slangtechnicalcommunication

1. radio waves, electromagnetic waves

Electromagnetic radiation used for communication, broadcasting, and other technological applications.

電波(でんぱ)を送(おく)る。

To send radio waves.

Radio-controlled clocks are accurate.

電波(でんぱ)時計(とけい) = radio-controlled clock

Information is transmitted via radio waves.

An antenna is needed to receive TV radio waves.

Research is progressing on the effects of cell phone radio waves on the human body.

2. signal, reception (informal)

In casual usage, refers to the quality of wireless signal reception.

The reception is bad here.

There's no signal in the mountains.

The signal is weak and I can't watch videos.

When you go underground, the signal sometimes doesn't reach.

Since the new base station was built, the signal in this area has improved.

COMMON COLLOCATIONS (technical):

SLANG (dated): 電波(でんぱ)系(けい) was used to describe someone who seems disconnected from reality or has strange ideas (not recommended to use).

Science: 電波(でんぱ) is part of the electromagnetic spectrum, with frequencies lower than infrared.

Related Words

core

Added 2026.1.13 20:35 · Revised 2026.10.7 4:57

04000/04070_denpa