| plumbago |
graphite: used as a lubricant and as a moderator in nuclear reactors any plumbaginaceous plant of the genus Plumbago
출처: wordnet.princeton.edu/perl/webwn
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|---|---|
| plumbago |
The term used to refer to a mixture of graphite and clay, mainly used for making crucibles.
출처: www.mda.org.uk/bmmat/mathesp.htm
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