petrology, lithology
(noun) the branch of geology that studies rocks: their origin and formation and mineral composition and classification
Source: WordNet® 3.1
lithology (countable and uncountable, plural lithologies)
The study of rocks, with particular emphasis on their description and classification.
The general composition of a rock or rock sequence.
Source: Wiktionary
Li*thol"o*gy, n. Etym: [Litho- + -logy: cf. F. lithologie.]
1. The science which treats of rocks, as regards their mineral constitution and classification, and their mode of occurrence in nature.
2. (Med.)
Definition: A treatise on stones found in the body.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
