hy·dro·gen·ol·y·sis 
(hī′drō-jə-nŏlĭ-sĭs)
(hī′drō-jə-nŏlĭ-sĭs)n.
The breaking of a chemical bond in an organic molecule with the simultaneous addition of a hydrogen atom to each of the resulting molecular fragments.
- practice
- practiced
- practicer
- practice-teach
- practice teacher
- practice teaching
- practicing
- practicum
- practise
- practitioner
- Prader-Willi syndrome
- praedial
- praemorse
- praemorse
- praemunire
- praenomen
- praenominal
- praetor
- praetorial
- praetorian
- Praetorian Guard
- praetorship
- pragmatic
- pragmatical
- pragmatically