pre·cip·i·tin·o·gen 
(prĭ-sĭp′ĭ-tĭnə-jən)
(prĭ-sĭp′ĭ-tĭnə-jən)n.
An antigen that induces the production of a precipitin.
- petroleum coke
- petroleum ether
- petroleum jelly
- petrolic
- petrologic
- petrological
- petrologically
- petrologist
- petrology
- Petronius
- "Petronius Arbiter."
- Petropavlovsk-Kamchatski
- Petropavlovsk-Kamchatskiy
- petrosal
- petrous
- Petrozavodsk
- Petrus
- Petrópolis
- PET scan
- PET scanner
- pet-sitter
- pet-sitting
- petter
- petticoat
- petticoated