| Bahasa Indonesia | Bahasa Asing | Kata kunci | Bidang | Sumber | |
|---|---|---|---|---|---|
| 1. | kekerasan; kesadahan | hardness | kekerasan; kesadahan | Pertambangan | Pusba |
| 2. | kesadahan | hardness | kesadahan | Perikanan | Pusba |
| 3. | kesadahan air | hardness of water | air; kesadahan | Kimia | Pusba |
| 4. | kesadahan karbonat | carbonate hardness | karbonat; kesadahan | Kimia | Pusba |
| 5. | kesadahan magnesium | magnesium hardness | kesadahan; magnesium | Kimia | Pusba |
| 6. | kesadahan tetap | permanent hardness | kesadahan; tetap | Kimia | Pusba |
| 7. | kesadahan total | total hardness | kesadahan; total | Kimia | Pusba |