a·gone 
(ə-gôn, ə-gŏn)
(ə-gôn, ə-gŏn)adv. & adj.
Archaic
Archaic
Gone by; past.
[Middle English agon, past participle of agon, to go away; see AGO.]
- petrochemical
- petrochemistry
- petrodollars
- petrogenesis
- petrogenetic
- petroglyph
- petroglyphic
- Petrograd
- petrographer
- petrographic
- petrographical
- petrographically
- petrography
- petrol
- petrolatum
- petroleum
- petroleum coke
- petroleum ether
- petroleum jelly
- petrolic
- petrologic
- petrological
- petrologically
- petrologist
- petrology