| Word | Meaning |
| hydroelectric |
generation of electrical energy using water |
| hydrolysis | chemically breaking down a compound using water |
| hydrophilic | tendency to attract / combine with water; liking water |
| hydrophobic | tendency not to attract / combine with water; fearing water |
| hydrophobia | fear of water |
| hydroplane | seaplane, a plane that can land on water |
| hydrotropism | tendency for shoots / leaves to grow toward water |
| hydrant | pipe for drawing water - usually to fight fires |
| dehydrated | not
to have water; without water |

| Bahasa Inggeris | Bahasa Malaysia |
| hydroelectric |
hidroelektrik - penjana elektrik yang menggunakan air |
| hydrolysis | hidrolisis - tindak balas kimia melibatkan air yang menguraikan sesuatu sebatian |
| hydrophilic | hidrofilik - kecenderungan terhadap air |
| hydrophobic | hidrofobik -
tidak mempunyai kecenderungan terhadap air |
| hydrophobic | hidrofobia - gerun air |
| hydroplane | pesawat peluncur |
| hydrotropism | hidrotropisme -gerak balas tumbuhan terhadap air |
| hydrant | pili air |
| dehydrated | dinyahhidratkan |