chemical

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chemical

any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use

chemical

[′kem·i·kəl]
(chemistry)
Related to the science of chemistry.
A substance characterized by definite molecular composition.
References in periodicals archive ?
Un Chheang Lim, chief of the Chung Phlas commune, the first formal mining community in Pou Tung village, said members of his community do not use chemical substances such as cyanide in their mining operations.
EcoLink software effectively tracks and manages the entire supply chain for chemical substances banned or restricted under chemical product regulations such as the REACH regulation(1) and RoHS Directive(2), and efficiently handles green procurement.
As a result, chemical substances spilt into the water body,' Tola said.
use chemical substance as the bodies of five youth were blown up into pieces and couldn't be identified.
Among these, when a chemical substance is bound to a target protein, the degree of torsion of the bond represents the important degree of deformation.
SRINAGAR -- In occupied Kashmir, Indian occupational forces have once again started burning the bodies of Kashmiri youth beyond recognition by destroying houses with inflammable chemical substances in the Valley.
Chemical Abstracts Service (CAS) has registered the 100 millionth chemical substance in the CAS REGISTRY, in the 50th anniversary year of the world's largest database of unique chemical substances
Section 8(a) of TSCA authorizes EPA to promulgate rules that require each person (other than a small manufacturer or processor) who manufactures, processes, or proposes to manufacture or process a chemical substance to maintain such records and submit such reports as the EPA administrator may reasonably require.
A polymer for which the 2% rule is applicable and listed on the inventory of existing chemical substances, or that is a new chemical substance meeting the 2% rule
Lab test results showed that a chemical substance named phenothrin, which is used in manufacturing insecticides, had been mixed with the baby milk.
Summary: Military Prosecutor Judge Saqr Saqr pressed charges Wednesday against a policeman and six inmates, including five members of Fatah al-Islam, for allegedly attempting to smuggle a potentially dangerous chemical substance into Roumieh prison.
By allowing the evaluation and compilation of chemical substance information consisting of data from legacy and newer formats, the upgraded COINServ-COSMOS-R/R streamlines workflows related to compiling and managing chemical substance information.

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