petrogr.

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English

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Noun

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petrogr. (uncountable)

  1. Abbreviation of petrography.
    • 1997: Oxford English Dictionary, lithotype, n. (additions series 1997)
      Add: 4. Petrogr. A macroscopically visible constituent of coal distinguished by its physical characterisitics; a macroscopically distinguishable variety of coal. Cf. maceral n.

Synonyms

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References

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  • The New Penguin Dictionary of Abbreviations: from A to zz, Rosalind Fergusson. (Penguin Books, 2000), page 301
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