英语词汇“θ215529”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	θ215529
释义	society > occupation and work > materials > raw material > mineral material > [noun] > graphite (9) black lead?a1560 Graphite, esp. as used in pencils; (also) †a graphite pencil (obsolete). wad1614 A local name for plumbago or black lead; also called black wad. Also dialect a black-lead pencil (see Eng. Dial. Dict.). killow1666 A name formerly given (originally in Cumberland) to black-lead, plumbago, or graphite. wad-lead1780 plumbago1784 Mineralogy. Graphite, (originally) as a mineral (formerly thought to consist of carbon and iron: see etymological note), (in later use) as the… graphite1796 One of the crystalline allotropic forms of carbon (see carbon, n. 1), called also black lead, n. and plumbago, n. plumbagine1800 The mineral plumbago; graphite. lead1816 Short for black lead, n., graphite, or plumbago. Only with reference to its use as a material for pencils. Hence, a small stick of graphite for… pot lead1876 Graphite, esp. as used for coating the hulls of racing yachts to reduce friction with the water. Cf. black lead, n. Now rare.
随便看	unalienably unalienated unaliened unaligned unalike unalimentary unalism unalist unalists unalive unallayable unallayed unalleged unallegorical unalleviable unalleviated unalliable unallied unallocated unallotted unallowable unallowed unalloyed unallurable ultramodernists

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