[ˈɡrafʌɪt], (Noun)

Definitions:
- a grey crystalline allotropic form of carbon which occurs as a mineral in some rocks and can be made from coke. It is used as a solid lubricant, in pencils, and as a moderator in nuclear reactors


Phrases:

Origin:
late 18th century: coined in German (Graphit), from Greek graphein ‘write’ (because of its use as pencil ‘lead’)