bioclastn.
/ˈbʌɪə(ʊ)klɑːst/, /ˈbʌɪə(ʊ)klast/, U.S. /ˈbaɪoʊˌklæst/ Geology.
A fragment of a shell or a fossil forming part of a sedimentary rock.
ΚΠ
1963 E. McKee Prof. Papers U.S. Geol. Surv. No. 475 -c. 21/2 Grains within the limestone range in size from fine to very coarse and consist of both bioclasts and peloids (intraformational clastic particles), commonly in an aphanitic calcite matrix.
1972 Jrnl. Paleontol. 46 515/2 The most common bioclasts are sponge spicules and fragments of crinoids.
2003 G. Maier Afr. Dinosaurs Unearthed xxi. 311 The marine horizons..are formed of sandy limestones and calcite-cemented sandstones rich in bioclasts.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.1963- spotted dog pudding
- spotted dogfish
- spotted dolphin
- spotted eagle
- spotted eft
- spotted emu
- spotted falcon
- spotted fever
- spotted flycatcher
- spotted goat
- spotted goby
- spotted grouse
- spotted grunt
- spotted gum
- spotted gunnel
- spotted hemlock
- spotted hind
- spotted hog deer
- spotted hyena
- spotted knapweed
- spotted lamprey
- spotted laurel
- spotted ling
- spotted lizard
- spotted lungwort