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Wordswarms From Years Past


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Adjacent Words

CNN
CNO
CNO2Br3
CNOH
Cnossos
Cnossus
CNP
CNPZ
cnr.
CNS
CNU
Cnut
CNW
CNY
co op
CO''
co-
Co-adjutorship
co-aid
Co-allies
Co-ally
Co-assessor
co-author
co-belligerent

Co definitions

Webster's 1828 Dictionary

CO, a prefix, signifying with, in conjunction. [See Con.]

WordNet (r) 3.0 (2005)

n
1: an odorless very poisonous gas that is a product of incomplete combustion of carbon [syn: carbon monoxide, carbon monoxide gas, CO]
2: a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition [syn: cobalt, Co, atomic number 27]
3: one who refuses to serve in the armed forces on grounds of conscience [syn: conscientious objector, CO]
4: a state in west central United States in the Rocky Mountains [syn: Colorado, Centennial State, CO]

Merriam Webster's

abbreviation 1. company 2. county

Merriam Webster's

symbol cobalt

Merriam Webster's

abbreviation 1. cash order 2. Colorado 3. commanding officer 4. conscientious objector 5. corrections officer

Oxford Reference Dictionary

abbr. 1 Commanding Officer. 2 conscientious objector. 3 US Colorado (in official postal use).

Oxford Reference Dictionary

symb. Chem. the element cobalt.

Webster's 1913 Dictionary

Ketone Ke"tone (k[=e]"t[=o]n), n. [Cf. Acetone.] (Chem.) One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor. Note: The ketones are named by adding the suffix-one to the stems of the organic acids from which they are respectively derived; thus, acetic acid gives acetone; butyric acid, butyrone, etc.

Webster's 1913 Dictionary

Carbonic Car*bon"ic, a. [Cf. F. carbonique. See Carbon.] (Chem.) Of, pertaining to, or obtained from, carbon; as, carbonic oxide. Carbonic acid (Chem.), an acid H2CO3, not existing separately, which, combined with positive or basic atoms or radicals, forms carbonates. In common language the term is very generally applied to a compound of carbon and oxygen, CO2, more correctly called carbon dioxide. It is a colorless, heavy, irrespirable gas, extinguishing flame, and when breathed destroys life. It can be reduced to a liquid and solid form by intense pressure. It is produced in the fermentation of liquors, and by the combustion and decomposition of organic substances, or other substances containing carbon. It is formed in the explosion of fire damp in mines, and is hence called after damp; it is also know as choke damp, and mephitic air. Water will absorb its own volume of it, and more than this under pressure, and in this state becomes the common soda water of the shops, and the carbonated water of natural springs. Combined with lime it constitutes limestone, or common marble and chalk. Plants imbibe it for their nutrition and growth, the carbon being retained and the oxygen given out. Carbonic oxide (Chem.), a colorless gas, CO, of a light odor, called more correctly carbon monoxide. It is almost the only definitely known compound in which carbon seems to be divalent. It is a product of the incomplete combustion of carbon, and is an abundant constituent of water gas. It is fatal to animal life, extinguishes combustion, and burns with a pale blue flame, forming carbon dioxide.

Webster's 1913 Dictionary

Carbonyl Car"bon*yl, n. [Carbon + -yl.] (Chem.) The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc. Note: Though denoted by a formula identical with that of carbon monoxide, it is chemically distinct, as carbon seems to be divalent in carbon monoxide, but tetravalent in carbonyl compounds. Carbonyl chloride (Chem.), a colorless gas, COCl2, of offensive odor, and easily condensable to liquid. It is formed from chlorine and carbon monoxide, under the influence of light, and hence has been called phosgene gas; -- called also carbon oxychloride.



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