noun, noun or participle which takes 'suru', intransitive verb
Dental term for a tooth breaking through the gum. Used as a noun or with する for the process.
乳歯の萌出は生後6か月頃から始まります。
The eruption of baby teeth begins around six months after birth.
親知らずが萌出するときに痛みを感じることがあります。
You may feel pain when a wisdom tooth erupts.