What does the kanji 響 mean?

響 means echo, also N5116, sound, resound, ring, vibrate.

響

響 — echo, also N5116, sound, resound, ring, vibrate

sound

低音、音響も大。

Low pitched sound with loud volume.(e)

高音、響きは少ない。

High pitched sound, but the sound is little.

放射能の影響は皆無です。

The effect of the radioactivity is nil.