Origin of chemistry. 2. ‘Industrial chemistry is the branch of chemistry which deals with raw materials.’ ‘Those of you in the field of medicine, chemistry or occult sciences will be successful.’ ‘Although primarily interested in mathematics, he also dabbles in physics, chemistry and computer science.’ Titration, by definition, is the determination of rank or concentration of a solution with respect to water with a pH of 7 (which is the pH of pure H2O under standard conditions). Here, Ocasio-Cortez and the Squad allude to the subjectified meaning of racist, which can be hard to square with the core meaning of the word (believing that people of a category are inferior). What does chemistry mean? Definition and synonyms of chemistry from the online English dictionary from Macmillan Education. Alchemy definition is - a medieval chemical science and speculative philosophy aiming to achieve the transmutation of the base metals into gold, the discovery of a universal cure for disease, and the discovery of a means of indefinitely prolonging life. It is area where the reaction is happening. alchemy (n.) "medieval chemistry; the supposed science of transmutation of base metals into silver or gold" (involving also the quest for the universal solvent, quintessence, etc. First coined 1605. How to use alchemy in a sentence. Menu. The word "titration" comes from the Latin word titulus, meaning inscription or title. The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. The History of Alchemy The Greek word khumos, meaning 'fluid' has been suggested as an alternate origin for the word alchemy, there is as yet no consensus on the matter. tries 1. 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