| English | Japanese |
| additive agent | 混和剤 (こんわ・ざい) |
| additive effect | 相加作用 |
| adj-no additive-free | 無添加 |
| n additive mixture of colors | 加法混色 (kahō-konshoku) |
| n additive mixture of colours | 加法混色 (kahō-konshoku) |
| n additive supply | 添加剤供給 |
| anti-wear additive | 耐摩耗性添加剤 |
| n bathwater additive | 入浴剤 |
| n chemical additives | 化学添加物 |
| n food additive | 食品添加物 news1 nf20 |
| halogenated resin additives | ハロゲン系樹脂添加剤 |
| soil additives | 土壌添加剤 |
| soil improvement additive | 土壌改良材 |
| soil stabilization additive | 土質改良剤 |
| soil stabilization additive | 土質改良材 |