fragmental [frag-men-tl] EXAMPLES|WORD ORIGIN adjective. Geology. .
Origin of fragmental First recorded in 1790–1800;+ Related formsfrag·men·tal·ly, adverb Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for fragmental Historical Examples of fragmental
The absence of fragmental ejecta (broken rock that are thrown out) is extraordinary.
Edwin J. Houston
Clastic, klas′tik, adj. breaking into fragments, fragmental.
Fragmental rocks are often quite indurated—the matrix being as hard as the included stones.
When a fragmental rock is composed chiefly of rocks belonging to the acidic group, we say it is felspathic.
These are overlaid by a series of alternating beds of crystalline (c) and fragmental (t) igneous rocks.
British Dictionary definitions for fragmental fragmental adjective (of rocks or deposits) composed of fragments of pre-existing rocks and minerals another word forDerived Formsfragmentally, adverb 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