| Engelsk navneord: black lead | |||
| 1. | black lead (om masse el. substans) used as a lubricant and as a moderator in nuclear reactors | ||
| Termer med samme betydning (synonymer) | graphite, plumbago | ||
| Mindre specifikke termer | atomic number 6, C, carbon | ||
| Mere specifikke termer | lead, pencil, pencil lead | ||