The History of Alchemy First coined 1605. How to use alchemy in a sentence. It is unfortunate that more is not known about this early period in the history of alchemy. Change your default dictionary to American English. 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). The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. Menu. Chemistry is the scientific study of the structure of substances and of the way that they react with other substances. View the pronunciation for chemistry. Includes the bonds being made/broken in the system. On the other hand, the surroundings is the area around the reaction. 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. 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). 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. What does chemistry mean? This is the British English definition of chemistry.View American English definition of chemistry. ), mid-14c., from Old French alchimie (14c. ), alquemie (13c. This activity will help you assess your knowledge of the definition, history, and branches of chemistry. Learn more. Definition and synonyms of chemistry from the online English dictionary from Macmillan Education. 2. uncountable noun The chemistry of an organism or a material is the chemical substances that make it up and the chemical reactions that go … chemistry definition: 1. the scientific study of the basic characteristics of substances and the ways in which they react…. Origin of chemistry. ), from Medieval Latin alkimia, from Arabic al-kimiya, from Greek khemeioa (found c.300 C.E. Chemistry Word Search Activity. 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. ‘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.’ The French word titre, also from this origin, means rank. 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