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Produced by or used in a reaction involving changes in atoms or molecules
Answer for the clue "Produced by or used in a reaction involving changes in atoms or molecules", 8 letters:
Alternative clues for the word chemical
Kind of agent
Kind of warfare
Word definitions for chemical in dictionaries
Longman Dictionary of Contemporary English
Word definitions in Longman Dictionary of Contemporary English
I. noun COLLOCATIONS FROM OTHER ENTRIES a chemical compound (= formed by a chemical process involving two or more elements ) a chemical weapons ban ▪ a global chemical weapons ban chemical engineering chemical pollution ▪ Chemical pollution threatens the...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Chemical \Chem"ic*al\, a. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. Chemical attraction or Chemical affinity . See under...
Word definitions in Wiktionary
a. 1 (label en obsolete) Of or relating to alchemy. 2 Of or relating to chemistry. 3 Of or relating to a material or processes not commonly found in nature or in a particular product. n. 1 (label en chemistry sciences) Any specific chemical element or chemical...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1570s, "relating to chemistry," from chemic "of alchemy" (a worn-down derivative of Medieval Latin alchimicus ; see alchemy ) + -al (1). In early use also of alchemy. Related: Chemically .
Word definitions in WordNet
adj. relating to or used in chemistry; "chemical engineer"; "chemical balance" [syn: chemic ] of or made from or using substances produced by or used in reactions involving atomic or molecular changes; "chemical fertilizer"
Word definitions in Wikipedia
A chemical substance is a material with a specific chemical composition. Chemical may also refer to: Chemical industry Drug , any substance that, when absorbed into the body of a living organism, alters normal bodily function Chemistry , relating to the...
Usage examples of chemical.
Aubrey waved the probe of a Bailey Aardwolf magnetic anomaly and chemical detector past L.
The more strictly chemical methods are rendered troublesome by the oxide being insoluble in acids, resembling in this respect the gangue with which it is associated.
He forgot the Valley of the ashes at Exxon PetroChemical of the Damned, Dow Chemical, Texaco refinery, and standing hundreds of feet in the air atop the big iron ironclad tanks that he thought were once swimming pools for the gods to match the fluted Aeonian smokestack.
By this aestheticizing, Jack misses the more relevant loop of production, consumption, and pollution that have created the very chemical spill that may cause the death he seeks to block from his thoughts.
Furthermore, the idea that different kinds of corpuscles, or atoms, could combine with one another was the first step toward understanding the nature of chemical reactions.
Finally, chemical combination happens when one or more atoms of one element are joined to one or more atoms of another.
At this time, chemical notion had not yet been standardized, and Dalton used pictorial symbols of different kinds to represent the atoms of different elements.
On the contrary, his idea was significant because it was a theory that explained how chemical compounds are formed and because the idea of atoms with different relative weights made it possible to turn chemistry into a quantitative science.
The first is a series of autocatalytic chemical reactions concentrated within tiny vesicles whose skins are self-organizing lipid bilayers.
In 1811 Avogadro, in answer to the confusing problems of combining chemical weights, invented the molecule.
The barometer dropped and the sky turned a chemical green, and the breakers were full of sand and dead baitfish when they smacked on the beach.
The first was to try to produce, through X-rays, ultraviolet light, or chemicals, mutant bees that might then be crossbred with the Africans.
Bionetics Laboratories, a subsidiary of Litton Industries, under contract to the National Cancer Institute, on the effects of 123 chemical compounds in bioassays on 20,000 mice covering periods of up to eighty-four weeks.
Kill the monkeys-give them lethal injections-burn their carcasses, and drench the entire building with chemicals and fumes-a major biohazard operation.
Afterward, a second chemical, sodium bisulfite, was used to break down the gas.