radiocarbon (def 1).
The case of carbon-14 is an example of a permanent man-made modification of the environment.
Atoms, Nature, and Man Neal O. Hines
A naturally occurring radioactive isotope of carbon having six protons and eight neutrons in the nucleus. Carbon 14 is important in dating archaeological and biological remains by radiocarbon dating.
A radioactive isotope of carbon. A carbon 14 atom contains six protons, six electrons, and eight neutrons. Carbon 14 is produced when neutrons bombard atoms of nitrogen.
Note: Carbon 14 is used in a common form of radioactive dating to determine the age of ancient objects.
- Carbon-14 dating
an electric arc between two carbon electrodes, used mainly for lighting, as in an arc light for a motion-picture projector, or for intense heating, as in the cutting and welding of metals. Historical Examples After many experiments with platinum, he abandoned that material in favor of the carbon-arc in vacuo. Notable Events of the Nineteenth […]
carbon disulfide. a clear, colorless or faintly yellow, poisonous, flammable liquid, CS 2 , used chiefly in the manufacture of cellophane, viscose rayon, and pesticides and as a solvent for fats, resins, and rubber.
- Carbon bisulphide
noun (not in technical usage) another name for carbon disulphide Historical Examples It is insoluble in light petroleum, and but slightly soluble in ethyl acetate, water, or carbon bisulphide. Poisons: Their Effects and Detection Alexander Wynter Blyth The best is perhaps chloroform, and next to this carbon bisulphide. Taxidermy and Zoological Collecting William T. Hornaday […]