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Glite Dictionary
🌸 A flowering plant 🪨 A type of graphite
plumbago

plumbago

9.9
A form of graphite used to lubricate machines and slow reactions in nuclear reactors
  • noun
  • /ˈplʌmˌbeɪɡoʊ/
  • Archaic
translation icon : grafito
  • The engineer applied plumbago to lubricate the machinery's moving parts.

Examples

  • In nuclear reactors, plumbago can serve as a neutron moderator.

  • The pencils were originally made using plumbago instead of modern graphite.

  • The engineer recommended using plumbago for the lubrication process.

  • In nuclear reactors, plumbago helps to moderate the reactions effectively.

  • In nuclear reactors, plumbago can serve as a neutron moderator.

  • The engineer applied plumbago to lubricate the machinery's moving parts.

  • For efficient operation, many technicians use plumbago in various mechanical lubrication applications.

Synonyms

graphite
vsplumbago
  • Specialized
22 3.9

A soft black material used in pencils and to make things move smoothly

is a specific variety used for lubrication and reactor moderation
black lead
vsplumbago
  • Archaic
8.6

A soft black material in pencil cores that is also used as a nuclear reactor moderator called graphite

is a specific form rather than the general material

Surface Forms

plumbago singular
plumbagos plural

Etymology

Plumbago comes from the Latin plumbum 'lead' because people once thought graphite was a form of lead and called it 'black lead'. So the same word was used for the dark carbon in pencils and for forms of graphite used as a lubricant or in nuclear reactors.