Definition of Petrography
Pe`trog´ra`phy
n.
1.
The
art
of
writing
on
stone
.
2.
The
scientific
description
of
rocks
;
that
department
of
science
which
investigates
the
constitution
of
rocks
;
petrology
.
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Petong
Petralogy
Petrary
Petre
Petrean
Petrel
Petrescence
Petrescent
Petrifaction
Petrifactive
Petrific
Petrificate
Petrification
Petrify
Petrine
Petro-
Petrogale
Petroglyphic
Petroglyphy
Petrographic
Petrohyoid
Petrol
Petrolatum
Petroleum
Petroleum spirit
Petroleur
Petroline
Petrologic
Petrologically
Petrologist
Petrology
Petromastoid
Petromyzont
Petronel
Petrosal
Petrosal bone
Petrosilex
Petrosilicious
Petrostearine
Petrous
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