Dictionaries, Thesauruses, Pictures, and Press Releases
- hedonic scale
- heel-prick test
- Hegemann, Werner Manfred Maria Ellis
- Hegsted score
- Heideloff, Karl Alexander von
- Heidenreich family
- Heights
- Heikkinen-Komonen, Mikko Heikkinen
- Heilbron, Sir Ian Morris
- Heins & La Farge
- Heinzelmann, Konrad
- Helicobacter pyloris
- helioscene
- Helmer, Hermann Gottlieb
- Helotry
- Helpeston, William de
- Helpfulness
- hemicelluloses
- hemp seed
- Hénard, Eugène-Alfred