from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resembling graphite.
from the GNU version of the Collaborative International Dictionary of English
- adj. Resembling graphite or plumbago.
from The Century Dictionary and Cyclopedia
- Resembling graphite or plumbago.
- n. A form of graphite, occurring in certain schists, supposed to be peculiar in its readier combustibility. This, however, is probably due to the minute size and purity of the scales.
graphite + -oid (Wiktionary)