CLASTIC
clastic
(adjective) capable of being taken apart; “the professor had a clastic model of the human brain”
clastic
(adjective) of or belonging to or being a rock composed of fragments of older rocks (e.g., conglomerates or sandstone)
Source: WordNet® 3.1
Etymology
Adjective
clastic (not comparable)
Made up of parts that are easily removable.
(geology, of rock) Made from fragments of pre-existing rocks.
Noun
clastic (plural clastics)
(geology) A rock made from fragments of pre-existing rocks.
Source: Wiktionary
Clas"tic, a. Etym: [Gr.
1. Pertaining to what may be taken apart; as, clastic anatomy (of
models).
2. (Min.)
Definition: Fragmental; made up of brokas, sandstone is a clastic rock.
Source: Webster’s Unabridged Dictionary 1913 Edition