petrogr.
English edit
Noun edit
petrogr. (uncountable)
- 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.
- 1997: Oxford English Dictionary, lithotype, n. (additions series 1997)
Synonyms edit
References edit
- The New Penguin Dictionary of Abbreviations: from A to zz, Rosalind Fergusson. (Penguin Books, 2000), page 301