A part
爆
Shown as a part of 1 word so far, read one way.
ばく 1 word
- 爆発ばくはつexplosion, detonation, eruption
爆発 · here “burst, explode”
Also written with 爆
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.