Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A hard, brittle metallic element, found associated with nickel, silver, lead, copper, and iron ores and resembling nickel and iron in appearance. It is used chiefly for magnetic alloys, high-temperature alloys, and in the form of its salts for blue glass and ceramic pigments. Atomic number 27; atomic weight 58.9332; melting point 1,495°C; boiling point 2,927°C; specific gravity 8.9; valence 2, 3. cross-reference: Periodic Table.
from The Century Dictionary.
- noun Chemical symbol, Co; atomic weight, 58.8. A metal of a steel-gray color and a specific gravity variously given at from 8.52 to 8.95.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.
- noun A commercial name of a crude arsenic used as fly poison.
- noun Same as
Erythrite . - noun a dark blue pigment consisting of some salt of cobalt, as the phosphate, ignited with alumina; -- called also
cobalt ultramarine , andThenard's blue . - noun earthy arseniate of cobalt.
- noun (Min.) See
Cobaltite . - noun a pigment consisting essentially of the oxides of cobalt and zinc; -- called also
Rinman's green . - noun (Chem.) a yellow crystalline powder, regarded as a double nitrite of cobalt and potassium.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A chemical element (symbol Co) with an
atomic number of 27. - noun
Cobalt blue .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
Help support Wordnik (and make this page ad-free) by adopting the word cobalt.
Examples
-
In sixth grade, I started my own class newspaper, which my friends and I typed laboriously on the old fashionedmimeographsheets (the kind with the blue backing which left those same stubby fingers smudged in cobalt ink).
-
In sixth grade, I started my own class newspaper, which my friends and I typed laboriously on the old fashionedmimeographsheets (the kind with the blue backing which left those same stubby fingers smudged in cobalt ink).
What’s In A Name? 2009
-
Like the plate, the walls were trimmed in cobalt blue and painted a dusty gold.
-
Like the plate, the walls were trimmed in cobalt blue and painted a dusty gold.
-
But if a few kilos of plutonium wrapped in cobalt finds its way to Mecca as the nursery schools of Tel Aviv are turned into Beslan *, I am sure there would be a little relief, perhaps some joy in the new Washington I visualize here, and perhaps in Berlin, too.
-
Like the plate, the walls were trimmed in cobalt blue and painted a dusty gold.
-
Zaffer, an oxide of cobalt, is the name given to the blue glass formed when cobalt is mixed with potash and sand, ground flints or other frits.
-
Raw cobalt is a silvery gray or whitish color often resembling silver, compact and heavy, as Caspar Neumann described it. 19 John Hill noted other general characteristics of the "genus" cobalt: fine, brittle, not fusible.
-
The mineral which contains cobalt is arsenide, known as smaltite.
-
BMO analysts said they remain comfortable with their short-term cobalt forecast of
oroboros commented on the word cobalt
Co.
December 16, 2007