Last Updated：2025/11/22

One who, or that which, hardens. / A chemical substance added to something in order to harden it; used especially with paints, varnishes and resins.

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hardener

Source Word

hardener

Noun

Japanese Meaning

硬化剤：化学反応により、塗料や樹脂などを硬化させるために添加される物質。

Add the hardener to the resin and stir thoroughly before pouring.

注ぐ前に樹脂に硬化剤を加えて、よくかき混ぜてください。

Sense（1）

One who, or that which, hardens.

the hardener of hearts

Sense（2）

A chemical substance added to something in order to harden it; used especially with paints, varnishes and resins.

hardeners

（ plural ）