carbon black

noun

any of various finely divided forms of amorphous carbon prepared by the partial combustion of hydrocarbons, as of natural gas, or by charring wood, bones, or other plant or animal tissues: used in pigments, as reinforcing agents in the manufacture of rubber products, and as clarifying or filtering agents.

carbon black

a black finely divided form of amorphous carbon produced by incomplete combustion of natural gas or petroleum: used to reinforce rubber and in the manufacture of pigments and ink

First recorded in 1885–90

Carbon black, lampblack, graphite, or any other good conductor of electricity should never be placed next to the surface of iron.

The spots are carbon-black and have none of the vermilion and purple colors that characterize the brook trout.

Down in the mine, blasting was done by soaking carbon black—from CO2—in liquid oxygen, and then firing it with a spark.

Of course cotton sheeting in liquid oxygen is not quite as good an explosive as carbon-black, which they used down in the mine.

The toxicity was wholly or partly removed by the addition of such substances as carbon black, calcium carbonate or ferric hydrate.

April 25, 2024firkin

[fur-kin ]

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