(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
the way two individuals relate to each other; "their chemistry was wrong from the beginning -- they hated each other"; "a mysterious alchemy brought them together"
the act that results in something coming to be; "the devising of plans"; "the fashioning of pots and pans"; "the making of measurements"; "it was already in the making"
electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone"