Synonyms of the word

plumbago

• n. (mineralogy) graphite.
• n. (botany) leadwort.

carbon

• n. (uncountable) The chemical element (symbol C) with an atomic number of 6.
• n. (countable) An atom of this element, in reference to a molecule containing it.
• n. (countable, informal) A sheet of carbon paper.
• n. (countable, informal) A carbon copy.
• n. A fossil fuel that is made of impure carbon such as coal or charcoal.
• n. (ecology, uncountable) Carbon dioxide, in the context of global warming and climate change.
• n. A carbon rod or pencil used in an arc lamp.
• n. A plate or piece of carbon used as one of the elements of a voltaic battery.

graphite

• n. An allotrope of carbon, consisting of planes of carbon atoms arranged in hexagonal arrays with the planes…
• n. Short for graphite-reinforced plastic, a composite plastic made with graphite fibers noted for light weight…
• n. A grey colour.

herb

• n. Any green, leafy plant, or parts thereof, used to flavour or season food.
• n. Plant whose roots, leaves or seeds, etc. are used in medicine.
• n. (slang, euphemistic) Marijuana.
• n. (botany) A plant whose stem is not woody and does not persist beyond each growing season.
• n. (obsolete) Grass; herbage.