Definition of Petro-
Pet´ro-
1.
A
combining
form
from
Gr
.
pe
`
tra
a
rock
,
pe
`
tros
a
stone
;
as
,
petro
logy
,
petro
glyphic
.
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Petitioner
Petitioning
Petitor
Petitory
Petitory suit
Petong
Petralogy
Petrary
Petre
Petrean
Petrel
Petrescence
Petrescent
Petrifaction
Petrifactive
Petrific
Petrificate
Petrification
Petrify
Petrine
Petrogale
Petroglyphic
Petroglyphy
Petrographic
Petrography
Petrohyoid
Petrol
Petrolatum
Petroleum
Petroleum spirit
Petroleur
Petroline
Petrologic
Petrologically
Petrologist
Petrology
Petromastoid
Petromyzont
Petronel
Petrosal
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