biolithn.

Brit.

/ˈbʌɪəlɪθ/, U.S.

/ˈbaɪəˌlɪθ/

Forms: 1800s– biolith, 1900s biolithe.

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: bio- comb. form, -lith comb. form.

Etymology: < bio- comb. form + -lith comb. form, after German Biolith (1848 or earlier). Compare French biolithe (1853 or earlier).

Geology.

Originally: a rock of organic origin; spec. one composed of the remains of living organisms or produced by the activity of such organisms. In later use also: a mineralized particle of animal or plant origin, found in soil, rock, etc. (cf. phytolith n. 2).

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > concretion or petrifaction > [noun] > specific

wood-stone1794

shell rock1807

petrified forest1830

biolith1852

dogger1876

spongolite1945

1852 Canada Med. Jrnl. & Monthly Rec. Med. & Surg. Sci. 1 436 Many of them are mixed or pure tripolitan fresh water bioliths—i. e. species of earths or stones, the elements of which consist chiefly of remnants of microscopic living beings.

1906 H. Potonié in Rep. Brit. Assoc. Advancem. Sci. 748 I set aside those combustible biolithes which are pyromonimites, such as amber.

1920 A. W. Grabau Textbk. Geol. (1921) i. xii. 269 The organic or biogenic rocks... The true organic rocks are conveniently termed bioliths.

1961 J. Challinor Dict. Geol. 23/1 Where the biolith is a more or less extensive bed it is sometimes called a ‘biostrome’.

1971 Geoderma 5 274 In the A-horizon bioliths (phytoliths) occur.

2003 Chem. Geol. 200 269/2 Diatoms and sponge spicules are the most prominent bioliths in freshwater mire systems.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	biolith
释义	biolithn. Brit. /ˈbʌɪəlɪθ/, U.S. /ˈbaɪəˌlɪθ/ Forms: 1800s– biolith, 1900s biolithe. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: bio- comb. form, -lith comb. form. Etymology: < bio- comb. form + -lith comb. form, after German Biolith (1848 or earlier). Compare French biolithe (1853 or earlier). Geology. Originally: a rock of organic origin; spec. one composed of the remains of living organisms or produced by the activity of such organisms. In later use also: a mineralized particle of animal or plant origin, found in soil, rock, etc. (cf. phytolith n. 2). ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > concretion or petrifaction > [noun] > specific wood-stone1794 shell rock1807 petrified forest1830 biolith1852 dogger1876 spongolite1945 1852 Canada Med. Jrnl. & Monthly Rec. Med. & Surg. Sci. 1 436 Many of them are mixed or pure tripolitan fresh water bioliths—i. e. species of earths or stones, the elements of which consist chiefly of remnants of microscopic living beings. 1906 H. Potonié in Rep. Brit. Assoc. Advancem. Sci. 748 I set aside those combustible biolithes which are pyromonimites, such as amber. 1920 A. W. Grabau Textbk. Geol. (1921) i. xii. 269 The organic or biogenic rocks... The true organic rocks are conveniently termed bioliths. 1961 J. Challinor Dict. Geol. 23/1 Where the biolith is a more or less extensive bed it is sometimes called a ‘biostrome’. 1971 Geoderma 5 274 In the A-horizon bioliths (phytoliths) occur. 2003 Chem. Geol. 200 269/2 Diatoms and sponge spicules are the most prominent bioliths in freshwater mire systems. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < n.1852
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