| 单词 | mass numbers |
| 释义 | mass1 /mas/noun
Relating to a mass, or to large numbers or quantities, or to ordinary people as a whole transitive verb
To assemble or come together in a mass or masses ORIGIN: Fr masse, from L massa a lump, prob from Gr māza a barley cake, from massein to knead massˈiness noun massive /masˈiv/ adjective
A gang, esp a street gang massˈively adverb massˈiveness noun massˈy adjective Massive, made up of masses mass defect noun The difference between the sum of the masses of the neutrons and protons in a nucleus and the mass of the nucleus itself mass-energy equivalence noun (physics) The fundamental principle that mass and energy are equivalent and interconvertible shown by the mass-energy equation E=mc2 mass market noun The market for mass-produced goods mass-marˈket transitive verb mass-marˈketing noun mass media, mass medium see under medium mass meeting noun A large meeting for a public protest or discussion mass noun noun A noun that denotes something that cannot be counted or made plural mass number noun The atomic weight of an isotope, the number of nucleons in the nucleus mass observation noun The study of the habits, opinions, etc of the general body of a community mass-produceˈ transitive verb To produce in great quantity by a standardized process mass-producedˈ adjective mass producer noun mass production noun mass radiography noun The X-raying of large numbers of people by means of mobile units mass spectrograph noun A vacuum system in which positive rays of various charged atoms are deflected through electric and magnetic fields so as to indicate the charge-to-mass ratios on a photographic plate, thus measuring the atomic masses of isotopes with precision mass spectrometer noun An instrument like the mass spectrograph that detects the charged particles electrically instead of photographically mass spectrometry noun mass transit noun (US) Public transport mass-transit adjective in mass
in the mass
law of mass action (chem) The law stating that the rate of chemical change is proportional to the product of the concentrations of the reacting substances |
| 随便看 |
|
英语词典包含305067条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。