51Թ

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petro-

1
  1. a combining form meaning “rock,” “stone,” used in the formation of compound words:

    petrology.



petro-

2
  1. a combining form meaning “petroleum,” “the extraction and export of petroleum,” used in the formation of compound words:

    petrochemistry; petropower.

petro

3

[ pe-troh ]

adjective

  1. of or relating to petroleum or the petroleum industry.

noun

  1. Canadian. the federally owned petroleum industry.

petro-

combining_form

  1. indicating stone or rock

    petrology

  2. indicating petroleum, its products, etc

    petrochemical

  3. of or relating to a petroleum-producing country

    petrostate

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of petro-1

< Greek, combining form of éٰ rock, éٰDz a stone

Origin of petro-2

Extracted from petroleum

Origin of petro-3

First recorded in 1970–75; independent use of petro- 2
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51Թ History and Origins

Origin of petro-1

from Greek petra rock or petros stone
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Example Sentences

Examples have not been reviewed.

President Gustavo Petro accused the Gulf Clan criminal gang and other armed groups of targeting members of the security forces in revenge for the recent killing of several of their leaders.

From

Petro was elected on a promise to bring "total peace" to Colombia, but on Friday his interior minister acknowledged that the strategy was "not going well", following the breakdown of talks with the Gulf Clan and several other armed groups.

From

Petro published a list on X of the names of the 15 police officers and 12 soldiers which he said had been "systematically" killed since 15 April.

From

But Petro suspended the talks with the ELN in January, accusing it of having "no will for peace".

From

Colombian President Gustavo Petro warned on social media that "people who have not been vaccinated should not go to high-risk areas during Easter: for now the coffee area".

From

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PetrinismPetrobrusian