chemistry and chemical
81chemistry — 1. The science concerned with the atomic composition of substances, the elements, and their interreactions, as well as the formation, decomposition, and properties of molecules. 2. The chemical properties of a substance. 3. Chemical processes. [G …
82Chemical plant — BASF Chemical Plant Portsmouth Site in the West Norfolk area of Portsmouth, Virginia, United States. The plant is served by the Commonwealth Railway …
83Chemical trap — In chemistry, a chemical trap is a chemical compound that is used to detect a certain molecule [1] when The concentration of this molecule is very small and below detection limit The molecule is very reactive (for example cyclobutadiene) and it… …
84Chemical state — Contents 1 Overview 2 Measurement and Interpretation 3 Significance 4 Closely related nomenclature …
85chemistry — noun (plural tries) Date: 1646 1. a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo 2. a. the composition and chemical properties of a substance < the chemistry of… …
86Chemical Institute of Canada — The Chemical Institute of Canada is a Canadian professional umbrella organization for chemists (Canadian Society for Chemistry), chemical engineers (Canadian Society for Chemical Engineering) and chemical technologists (Canadian Society for… …
87chemical warfare — noun warfare using chemical agents to kill or injure or incapacitate the enemy • Syn: ↑chemical operations • Hypernyms: ↑war, ↑warfare * * * noun : warfare in which incendiary mixtures, smokes, or irritant, burning, or asphyxiating gases are …
88Chemical test — In chemistry, a chemical test is a qualitative or quantitative procedure designed to prove the existence of, or to quantify, a chemical compound or chemical group with the aid of a specific reagent. A presumptive test is specifically used in… …
89chemical — [16] Essentially chemical, and the related chemistry and chemist, come from alchemy with the initial al dropped. Alchemy itself is of Arabic origin; al represents the Arabic definite article ‘the’, while the second element was borrowed from Greek …
90chemical — [16] Essentially chemical, and the related chemistry and chemist, come from alchemy with the initial al dropped. Alchemy itself is of Arabic origin; al represents the Arabic definite article ‘the’, while the second element was borrowed from Greek …
