perliten.

Brit.

/ˈpəːlʌɪt/, U.S.

/ˈpərˌlaɪt/

Forms: 1800s pearlite, 1800s– perlite.

Origin: A borrowing from French. Etymon: French perlite.

Etymology: < French perlite (1812 in Mozin, J. T. Biber, et al. Nouveau dictionnaire complet à l'usage des allemands et des français II. s.v. perlite), itself after German Perlstein (J. Esmark 1799, in Neues Bergmännisches Jrnl. 2 208; attributed to A. G. Werner by C. A. S. Hoffmann Handb. der Mineralogie (1812) II. 208). Compare earlier pearlstone n.In form pearlite after pearl n.¹

Geology and Agriculture.

A glassy volcanic rock containing numerous concentric spheroidal cracks associated with the cooling that occurred during its formation (also called pearlstone); any volcanic glass that expands on heating to give a porous material, used in insulation, plant growth media, etc.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks > lava > vitreous

obsidian stone1601

pitchstonea1728

volcanic glass1780

obsidian1794

pearlstone1806

retinite1808

marekanite1818

perlite1833

Pele's hair1844

Pele's tears1930

the world > food and drink > farming > gardening > equipment and buildings > [noun] > artificial soil or compost

potting soil1861

potting compost1891

osmunda1910

osmundine1932

John Innes1939

vermiculite1950

perlite1956

Inceptisol1960

1833 C. Lyell Princ. Geol. III. 222 Resinous silex.., pearlite, obsidian, and pitchstone abound.

1879 Amer. Naturalist 13 400 Biotite Orthoclase (plagioclase) Trachyte... In its modifications the rhyolitic in the highest degree (pearlite, pitchstone, obsidian) is often met with.

1882 A. Geikie Text-bk. Geol. ii. ii. vi. 141 Perlite (Pearlstone) another vitreous condition of sanidine lava..of vitreous or enamel-like globules.

1932 A. Johannsen Descr. Petrogr. Igneous Rocks II. 285 The cores of perlite are seldom over an inch in diameter, and may be microscopic.

1956 N.Z. Jrnl. Agric. 93 503/1 The coarse grade of expanded perlite now on the market in New Zealand is ideal for plant growth.

1976 A. C. Bunt Mod. Potting Composts ii. 38 Perlite is an alumino-silicate of volcanic origin and is widely used in the USA and New Zealand.

1985 C. S. Ward Anaesthetic Equipm. (ed. 2) iv. 54/2 A vacuum insulated evaporator..consists of an inner shell of stainless steel, separated from an outer shell of carbon steel by a space which..contains perlite powder.

1994 Nat. Health Nov. 122/2 You might try one that uses equal parts sterile potting soil, sand, and peat moss or compost, and then add perlite.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perlite
释义	perliten. Brit. /ˈpəːlʌɪt/, U.S. /ˈpərˌlaɪt/ Forms: 1800s pearlite, 1800s– perlite. Origin: A borrowing from French. Etymon: French perlite. Etymology: < French perlite (1812 in Mozin, J. T. Biber, et al. Nouveau dictionnaire complet à l'usage des allemands et des français II. s.v. perlite), itself after German Perlstein (J. Esmark 1799, in Neues Bergmännisches Jrnl. 2 208; attributed to A. G. Werner by C. A. S. Hoffmann Handb. der Mineralogie (1812) II. 208). Compare earlier pearlstone n.In form pearlite after pearl n.¹ Geology and Agriculture. A glassy volcanic rock containing numerous concentric spheroidal cracks associated with the cooling that occurred during its formation (also called pearlstone); any volcanic glass that expands on heating to give a porous material, used in insulation, plant growth media, etc. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks > lava > vitreous obsidian stone1601 pitchstonea1728 volcanic glass1780 obsidian1794 pearlstone1806 retinite1808 marekanite1818 perlite1833 Pele's hair1844 Pele's tears1930 the world > food and drink > farming > gardening > equipment and buildings > [noun] > artificial soil or compost potting soil1861 potting compost1891 osmunda1910 osmundine1932 John Innes1939 vermiculite1950 perlite1956 Inceptisol1960 1833 C. Lyell Princ. Geol. III. 222 Resinous silex.., pearlite, obsidian, and pitchstone abound. 1879 Amer. Naturalist 13 400 Biotite Orthoclase (plagioclase) Trachyte... In its modifications the rhyolitic in the highest degree (pearlite, pitchstone, obsidian) is often met with. 1882 A. Geikie Text-bk. Geol. ii. ii. vi. 141 Perlite (Pearlstone) another vitreous condition of sanidine lava..of vitreous or enamel-like globules. 1932 A. Johannsen Descr. Petrogr. Igneous Rocks II. 285 The cores of perlite are seldom over an inch in diameter, and may be microscopic. 1956 N.Z. Jrnl. Agric. 93 503/1 The coarse grade of expanded perlite now on the market in New Zealand is ideal for plant growth. 1976 A. C. Bunt Mod. Potting Composts ii. 38 Perlite is an alumino-silicate of volcanic origin and is widely used in the USA and New Zealand. 1985 C. S. Ward Anaesthetic Equipm. (ed. 2) iv. 54/2 A vacuum insulated evaporator..consists of an inner shell of stainless steel, separated from an outer shell of carbon steel by a space which..contains perlite powder. 1994 Nat. Health Nov. 122/2 You might try one that uses equal parts sterile potting soil, sand, and peat moss or compost, and then add perlite. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1833
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