合金法：将多种金属结合成为合金- peridesmium
- peridia
- perididymis
- perididymitis
- peridium
- peridiverticulitis
- periductal
- periductile
- periduodenitis
- peridural
- hydroencephalocele
- hydroflumethiazide
- hydrofluoric acid
- hydrogel
- hydrogen
- hydrogenate
- hydrogenize
- hydrogenoid
- Hydrogenomonas
- hydrogymnastic
- hydrogymnastics
- hydrohematonephrosis
- hydrohepatosis
- hydro-; hydr-
- hydrohymenitis