cobalt Hear it!

cobalt Definition

co·balt (bôlt′)

noun

a hard, lustrous, steel-gray, ductile, metallic chemical element, found in various ores: it is used in the preparation of magnetic, wear-resistant, and high-strength alloys: its compounds are used in the production of inks, paints, and varnishes: symbol, Co; at. no., 27: a radioactive isotope (cobalt-60) is used in the treatment of cancer, in research, etc.

Etymology: Ger kobalt: so named (c. 1730) by Georg Brandt (1694-1768), Swed chemist < Ger kobold, lit., goblin; term used for the ore by miners, who regarded it as worthless and as injurious because of its arsenic content

cobalt Usage Examples

Preposition: from

soil: One species is a potential dermatological hazard because of its ability to accumulate cobalt from the soil.

Converse of object

  • contain: The final precipitate contains cobalt in the +3 oxidation state.
  • include: Cost a bomb but does jobs that no other drill will do Many sets of drills, including cobalt for stainless steel.
  • use: At first, decoration was commonly executed in underglaze painting using blue cobalt.
  • have: We have to have cobalt to process vitamin B12.
  • accumulate: Plants cannot take up and accumulate cobalt if it is not there.
  • color: Top of the colored cobalt blue the roomof course main lounge was.

Adjective modifier

  • deep: General characteristics The blue poison dart frog ranges from light powder blue to deep cobalt in color.
  • pure: When the sky was pure cobalt and the temperature slowly began to rise, the silence was finally broken.
  • cerulean: Purple, black, brown, cerulean, cobalt.

Modifies a noun

  • chromium: Is this because cast gold has a higher, or lower, modulus of elasticity compared to cobalt chromium?
  • chloride: The steam can be tested with cobalt chloride paper which will turn from blue to pink.
  • chrome: Goodrich Aerospace technology, high strength stainless steels, cobalt chrome alloys, chrome alloys, joining methods, near net shape manufacture.
  • alloy: Goodrich Aerospace technology, high strength stainless steels, cobalt chrome alloys, chrome alloys, joining methods, near net shape manufacture.
  • oxide: The blue color is created by adding cobalt oxide to the molten glass.
  • blue: Cobalt blue is a color which appears in each painting.

Noun used with modifier

  • %: Di had added 7 % cobalt carbonate; and 11 % copper oxide to produce blue and green slips.
  • copper: Since metals like zinc, copper cobalt have a tendency to bind to non-specific sites, imidazole chelation may become useful.
  • mineral: Vitamin B12 contains the mineral cobalt as part of its chemical structure.
  • cast: Cast gold clasps are capable of engaging undercuts that are twice the depth of those used for cast cobalt chromium clasps.

Browse dictionary entries near cobalt

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