- hypothetical substance
- hexagonal system
- hydrastis canadensis
- homonymous
- have hands full
- housing association
- hypostatic albuminuria
- hennings system
- having the know_how (for a job)
- hitech horticulture
- half_uncovered
- half_open
- hanker
- he that swims in sins sinks in sorrow
- hypodiastolic failure
- hell or high water
- hard fought
- how come
- hyperosteogenesis
- heredofamilial
- hypoadrenalism
- haptoglobin serum
- haricot bean
- hee haw
- hurler
- hold good
- hit right in the eye
- hit straight in the eye
- hurry up
- hyped up
- high level
- half cell potential
- have a bee in bonnet about
- hydrocele of canal of nuck
- hard_heartedness
- hyperheparinemia
- high five
- hospital formulary
- hospital quality cotton_wool
- hominine
- hardware tariff
- hardware language
- hamarthritis
- heaps bigger
- he who pays the piper calls the tune
- have finger in the till
- hypophyseal artery
- hypophyseal adenoma
- hypophyseal haemo_tropic hormone
- herald patch