lettsomiten.

Brit.

/ˈlɛtsəmʌɪt/, U.S.

/ˈlɛtsəˌmaɪt/

Origin: From a proper name, combined with an English element. Etymons: proper name Lettsom , -ite suffix¹.

Etymology: < the name of W. G. Lettsom (1805–87), English mineralogist + -ite suffix¹.

Mineralogy. Now disused.

= cyanotrichite n. at cyano- comb. form 1.

ΘΚΠ

the world > the earth > minerals > ore > [noun] > metal ore > copper ore > types of

red copper1507

misy1543

grey copper1590

yellow ore1630

grey orea1728

pitch ore1776

red copper ore1776

fahlerz1796

tile-ore1823

cuprite1850

lettsomite1850

velvet copper-ore1850

yellows1851

meneghinite1852

peacock copper1858

peacock ore1858

horseflesh ore1868

plush-copper1881

the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > copper-aluminium

lettsomite1850

velvet copper-ore1850

1850 J. Percy in Philos. Mag. 36 100 The name Lettsomite has been assigned to this mineral at the request of Mr. [H. J.] Brooke.

1883 Encycl. Brit. XVI. 402 Lettsomite..[occurs] in tufts of capillary crystals.

1920 Gloss. Mining & Mineral Industry 721/2 Velvet copper ore, lettsomite.

This entry has been updated (OED Third Edition, September 2011; most recently modified version published online March 2022).

单词	lettsomite
释义	lettsomiten. Brit. /ˈlɛtsəmʌɪt/, U.S. /ˈlɛtsəˌmaɪt/ Origin: From a proper name, combined with an English element. Etymons: proper name Lettsom , -ite suffix¹. Etymology: < the name of W. G. Lettsom (1805–87), English mineralogist + -ite suffix¹. Mineralogy. Now disused. = cyanotrichite n. at cyano- comb. form 1. ΘΚΠ the world > the earth > minerals > ore > [noun] > metal ore > copper ore > types of red copper1507 misy1543 grey copper1590 yellow ore1630 grey orea1728 pitch ore1776 red copper ore1776 fahlerz1796 tile-ore1823 cuprite1850 lettsomite1850 velvet copper-ore1850 yellows1851 meneghinite1852 peacock copper1858 peacock ore1858 horseflesh ore1868 plush-copper1881 the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > copper-aluminium lettsomite1850 velvet copper-ore1850 1850 J. Percy in Philos. Mag. 36 100 The name Lettsomite has been assigned to this mineral at the request of Mr. [H. J.] Brooke. 1883 Encycl. Brit. XVI. 402 Lettsomite..[occurs] in tufts of capillary crystals. 1920 Gloss. Mining & Mineral Industry 721/2 Velvet copper ore, lettsomite. This entry has been updated (OED Third Edition, September 2011; most recently modified version published online March 2022). < n.1850
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