| NOUN | artifact | pencil lead, lead | mixture of graphite with clay in different degrees of hardness |
|---|
| Meaning | mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil. | |
|---|---|---|
| Synonym | lead | |
| Part of | lead pencil | pencil that has graphite as the marking substance |
| Broader | graphite, black lead, plumbago | Used as a lubricant and as a moderator in nuclear reactors |
| Spanish | mina | |
| Catalan | mina | |
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