In Common Usage. emphases is one of the 10000 most commonly used words in the Collins dictionary.
structure. n. 1. a complex construction or entity. 2. the arrangement and interrelationship of parts in a construction, such as a building. 3. the manner of construction or organization: the structure of society.
Full Definition of CHEMISTRY. 1. : a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo. 2. 3.