A chemical substance used to bond or fix objects together; glue or adhesive. There are various types depending on use (e.g., instant glue, epoxy).
割れた陶器を接着剤で直した。
I repaired the broken pottery with glue.
子どもが使うときは安全な接着剤を選んでください。
Choose a safe adhesive when children are going to use it.
この接着剤は耐水性があるので屋外でも使えます。
This adhesive is water-resistant, so it can be used outdoors.
瞬間接着剤は小さな補修に便利だが、扱いに注意が必要だ。
Instant glue is convenient for small repairs but must be handled carefully.