a device for identifying the kinds of particles present in a given substance: the particles are ionized and beamed through an electromagnetic field and the manner in which they are deflected is indicative of their mass and, thus, their identity.
an analytical instrument in which ions, produced from a sample, are separated by electric or magnetic fields according to their ratios of charge to mass. A record is produced (mass spectrum) of the types of ion present and their relative amounts
noun, Physics. 1. an instrument used to determine the masses of small, electrically charged particles. mass spectroscope See under spectroscope.
noun, Physics. 1. a spectrum of charged particles, arranged in order of mass or mass-to-charge ratios.
[ma-steezh, ‐steej] /mæˈstiʒ, ‐ˈstidʒ/ adjective 1. noting or pertaining to goods that are perceived to have prestige or high style but are affordable for a wide range of customers: This five-dollar bottle of hand cream is aimed at the masstige market. noun 2. the perception of exclusivity and stylishness in goods that are affordable: Many […]
noun 1. a system of large-scale public transportation in a given metropolitan area, typically comprising buses, subways, and elevated trains.