| Abbreviation | Definition |
|---|---|
| HLB | Hydrophile Lipophile Balance |
| HLB | Hydrophyllic Lipophyllic Balance |
| HLCS | HoLoCarboxylase Synthetase |
| HLD | Heavy-Light Decomposition |
| HLD | Helium Leak Detection |
| HMB | Hydroxy Methyl Butyrate |
| HMD | Hybrid Molecular Dynamics |
| HMDS | Hexamethyldisiloxane |
| HMDSO | Hexamethyldisiloxane |
| HMF | 5-HydroxyMethylFurfural |
| HMI | Hydragyrum Metal Iodide |
| HMM | High Molecular Mass |
| HMPC | Hydroxypropyl Methylcellulose |
| HMSZ | Hydrate Meta-Stability Zone |
| HMW | High Molecular Weight |
| HNA | Hexitol Nucleic Acid |
| HNA | High Nucleic Acid |
| HNAB | HexaNitroAzoBenzene |
| HNaO | Sodium Hydroxide |
| HNE | 4-Hydroxy-trans-2-NonEnal |