A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralo…
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An elementary substance, not metallic in its nature, which is present in all organic compounds. Atomic weight 11.97. Symbol C. it is combustible, and forms the base of lampblack and charcoal, and enters largely into mineral coals. In its pure crystallized state it constitutes the diamond, the hardest of known substances, occuring in monometric crystals like the octahedron, etc. Another modification is graphite, or blacklead, and in this it is soft, and occurs in hexagonal pr
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A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralo…
Open English WordNet identifies the related term as a narrower or more specific lexical category.
Plumbago; graphite. It leaves a blackish mark somewhat like lead. See Graphite.
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Alt. of Charr
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Impure carbon prepared from vegetable or animal substances; esp., coal made by charring wood in a kiln, retort, etc., from which air is excluded. It…
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The loose black particles collected from combustion, as on pots and kettles, or in a chimney; soot; smut; also, coloring matter which rubs off from c…
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A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
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Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper.…
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The fine impalpable soot obtained from the smoke of carbonaceous substances which have been only partly burnt, as in the flame of a smoking lamp. It…
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Same as Graphite.
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Foul matter, like soot or coal dust; also, a spot or soil made by such matter.
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A black substance formed by combustion, or disengaged from fuel in the process of combustion, which rises in fine particles, and adheres to the sides…
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An abundance or plenty of anything.
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Any one of the set of elements which, as contrasted with the metals, possess, produce, or receive, acid rather than basic properties; a metalloid; as…
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A substance in the form of thin sheets or leaves intended to be written or printed on, or to be used in wrapping. It is made of rags, straw, bark, wo…
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A thoroughly charred, and extinguished or still ignited, fragment from wood or other combustible substance; charcoal.
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In its natural state; not cooked or prepared by fire or heat; undressed; not altered, refined, or prepared for use by any artificial process; raw; as…
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A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or…
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Any one of a great variety of unctuous combustible substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal,…
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Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth…
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The keynote of the normal or "natural" scale, which has neither flats nor sharps in its signature; also, the third note of the relative minor scale o…
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