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yhdiste

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Terminological databases

EKI terminibaas Esterm

ID 687539 Last modified 26.12.2024
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Domain analytical chemistry
ühend
compound
composé
Verbindung
yhdiste
  • kahe või enama elemendi aatomeist koosnev keemiliselt iseseisev aine (liitaine, näiteks H2SO4)
  • a chemical substance which is formed by the union of elements in definite proportion by weight, with definite structural arrangement, whose molecules consist of unlike atoms and whose constituents cannot be separated by physical means
ühend
keemiline ühend
Usage examples
  • Keemiliste ühendite struktuurivalemite kirjutamisel kasutatakse elementide üldkasutatavaid sümboleid ja näidatakse täpselt ära sidemed elementide ja radikaalide vahel.
compound
Usage examples
  • Compounds can be broken down into their constituent elements by chemical changes. A chemical change (that is, a chemical reaction) is one in which the organization of the atoms is altered.
chemical compound
Usage examples
  • The fundamental principle of the science of chemistry is that the atoms of different elements can combine with one another to form chemical compounds.
  • Water, which is a chemical compound of hydrogen and oxygen in the ratio two hydrogen atoms for every oxygen atom, contains H2O molecules.
composé
composé chimique
Verbindung
yhdiste

EKI terminibaas Esterm

ID 724758 Last modified 30.12.2004
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Domain Chemistry
  • member of the same kind or class with another, or nearly allied to another in character
analoog
congener
Usage examples
  • The term "dioxins" covers a group of 75 polychlorinated dibenzo-p-dioxin ("PCDD") and 135 polychlorinated dibenzofuran ("PCDF") congeners, of which 17 are of toxicological concern. The most toxic congener is 2,3,7,8-tetrachlordibenzo-p-dioxin (TCDD) classified by the International Agency for Research on Cancer and other reputable international organisations as a known human carcinogen.
congénère
Congener
yhdiste

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