物候学家：物候学的专家或专业工作者- haunch
- hauptganglion of Küttner
- Haust
- haustellum
- haustorium
- haustra
- haustral
- haustration
- haustrum
- haut-mal
- HAV
- Haverhill fever
- Haverhillia multiformis
- haversian canal (space), glands, lamella, system
- hawkinsin
- hawkinsinuria
- Hawley retainer (appliance)
- Hayem's corpuscles, encephalitis, icterus (jaundice), solution
- Hayem-Widal syndrome
- hay fever
- Haygarth's nodes (nodosities)
- Hay's test
- Hazen's theorem
- Hb
- HB