radiocarbon dating carbon dating carbon- dating | a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-, believed to be reliable up to , years |
ribbon snake Thamnophis sauritus | slender yellow-striped North American garter snake, prefers wet places |
Western ribbon snake Thamnophis proximus | yellow- or reddish-striped snake of temperate woodlands and grasslands to tropics |
ribbon worm nemertean nemertine proboscis worm | soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract |
carbon carbon copy | a copy made with carbon paper |
carbon arc lamp carbon arc | has carbon electrodes |
ribbon | notion consisting of a narrow strip of fine material used for trimming |
ribbon typewriter ribbon | a long strip of inked material for making characters on paper with a typewriter |
ribbon development | building complex in a continuous row along a road |
tetrachlorethylene tetrachloroethylene ethylene tetrachloride carbon dichloride | anthelmintic agent used against hookworm and other nematodes |
carbon process | a process of printing on paper coated with bichromated gelatin containing pigment |
decoration laurel wreath medal medallion palm ribbon | an award for winning a championship or commemorating some other event |
blue ribbon cordon bleu | an honor or award gained for excellence |
blue ribbon commission blue ribbon committee | an independent and exclusive commission of nonpartisan statesmen and experts formed to investigate some important governmental issue |
special jury blue ribbon jury | a jury whose members are selected for special knowledge for a case involving complicated issues |
ribbon thread | any long object resembling a thin line, a mere ribbon of land, the lighted ribbon of traffic, from the air the road was a grey thread, a thread of smoke climbed upward |
reed canary grass gardener's garters lady's laces ribbon grass Phalaris arundinacea | perennial grass of marshy meadows and ditches having broad leaves, Europe and North America |
ribbon tree ribbonwood Plagianthus regius Plagianthus betulinus | deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cotton |
ribbon-leaved water plantain | a variety of water plantain |
ribbon fern Ophioglossum pendulum | epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America |
grass fern ribbon fern Vittaria lineata | epiphytic fern found in lowland forests of tropical America |
ribbon fern spider fern Pteris serrulata | fern of North Africa and Azores and Canary Islands |
carbon cycle | a thermonuclear reaction in the interior of stars |
carbon cycle | the organic circulation of carbon from the atmosphere into organisms and back again |
respiratory acidosis carbon dioxide acidosis | acidosis resulting from reduced gas exchange in the lungs (as in emphysema or pneumonia), excess carbon dioxide combines with water to form carbonic acid which increases the acidity of the blood |
carbon monoxide poisoning | a toxic condition that results from inhaling and absorbing carbon monoxide gas, carbon monoxide combines with hemoglobin and displaces oxygen in the blood |
carbon nanotube nanotube | a fullerene molecule having a cylindrical or toroidal shape |
carbon C atomic number | an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond, occurs in all organic compounds |
carbon atom | an atom of carbon |
radiocarbon carbon | a radioactive isotope of carbon |
carbon black lampblack soot smut crock | a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink |
activated carbon activated charcoal | powdered or granular carbon used for purifying by adsorption, given orally (as a slurry) it is an antidote for some kinds of poisons |
carbon dioxide CO carbonic acid gas | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances, absorbed from the air by plants in photosynthesis |
carbon disulfide | a toxic colorless flammable liquid (CS), used in the manufacture of rayon and cellophane and carbon tetrachloride and as a solvent for rubber |
carbon monoxide carbon monoxide gas CO | an odorless very poisonous gas that is a product of incomplete combustion of carbon |
carbon paper carbon | a thin paper coated on one side with a dark waxy substance (often containing carbon), used to transfer characters from the original to an under sheet of paper |
carbon tetrachloride carbon tet tetrachloromethane perchloromethane | a colorless nonflammable liquid used as a solvent for fats and oils, because of its toxicity its use as a cleaning fluid or fire extinguisher has declined |
carbon tetrahalide | compounds composed of carbon and halogen molecules |
carbon steel | steel whose characteristics are determined by the amount of carbon it contains |
ribbon-shaped | shaped in the form of a ribbon |
blue-ribbon(a) select | selected or chosen for special qualifications, the blue-ribbon event of the season |