 black_lead |
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| 1. | [ noun ] (chemistry) used as a lubricant and as a moderator in nuclear reactors | |
| Synonyms: | graphite plumbago | |
| Related terms: | carbon pencil lead | |
| Similar spelling: |
blacklead black_hole black_whale black_calla black_lovage black_letter Blackledge black_lung bleakly Blackwelder black_elder black_sally black_olive black_larch black_hills Blackley blackleg Bleakley black_willow black_lotion black_locust block_letter Blacklock Blackwell |
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