petr-

prefix

(before a vowel) a spelling variant of petro-

petro- or (before a vowel) petr-

combining form

indicating stone or rock

⇒ petrology

indicating petroleum, its products, etc

⇒ petrochemical

of or relating to a petroleum-producing country

⇒ petrostate

Origin

from Greek petra rock or petros stone

petr-

variant of petro-^1. before a vowel:

petrous.

Related Words

petro-
petrous

petr-
combining form
or petri- or petro-

ETYMOLOGY New Latin, from Greek petr-, petro-, from petros stone & petra rock

1. stone : rock
petrology
2. petroleum
petrodollar

petr-
combining form
or petri- or petro-
Etymology: Middle French petr-, petri- & Latin petr- & New Latin petro-, from Greek petr-, petro-, from petros stone & petra rock
1.
a. : stone : rock
  < petrescent >
  < Petricola >
  < petrogenesis >
b. : petroleum
  < petroporphyrins >
2. : of or relating to the petrous portion of the temporal bone and
< petrohyoid >

词汇	petr-
词根词缀	AHD Collins Dictionary.com MWCD Webster petr- pref.（前缀） Variant of petro- petro-的变体 petr- prefix (before a vowel) a spelling variant of petro- petro- or (before a vowel) petr- combining form indicating stone or rock ⇒ petrology indicating petroleum, its products, etc ⇒ petrochemical of or relating to a petroleum-producing country ⇒ petrostate Origin from Greek petra rock or petros stone petr- 1 variant of petro-^1. before a vowel: petrous. Related Words petro- petrous petr- combining form or petri- or petro- ETYMOLOGY New Latin, from Greek petr-, petro-, from petros stone & petra rock 1. stone : rock petrology 2. petroleum petrodollar petr- combining form or petri- or petro- Etymology: Middle French petr-, petri- & Latin petr- & New Latin petro-, from Greek petr-, petro-, from petros stone & petra rock 1. a. : stone : rock < petrescent > < Petricola > < petrogenesis > b. : petroleum < petroporphyrins > 2. : of or relating to the petrous portion of the temporal bone and < petrohyoid >
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