slaughter massacre
mass murder
carnage
butchery | the savage and excessive killing of many people |
| mass spectroscopy | the use of spectroscopy to determine the masses of small electrically charged particles |
| mass production | the production of large quantities of a standardized article (often using assembly line techniques) |
| Mass | (Roman Catholic Church and Protestant Churches) the celebration of the Eucharist |
| High Mass | a solemn and elaborate Mass with music |
| Low Mass | a Mass recited without music |
surprise attack
coup de main | an attack without warning |
| electric main | a main that distributes electricity |
| gas main | a main that distributes gas |
headquarters central office
main office
home office
home base | (usually plural) the office that serves as the administrative center of an enterprise, many companies have their headquarters in New York |
highway
main road | a major road for any form of motor transport |
| main | a principal pipe in a system that distributes water or gas or electricity or that collects sewage |
| main course | a square mainsail |
main deck
second deck | the uppermost sheltered deck that runs the entire length of a large vessel |
| main drag | the main street of a town or city |
| main line | the principal route of a transportation system |
| main rotor | rotor consisting of large rotating airfoils on a singleotor helicopter that produce the lift to support the helicopter in the air |
main street
high street | street that serves as a principal thoroughfare for traffic in a town |
| main-topmast | the topmast next above the mainmast |
| main-topsail | a topsail set on the mainmast |
| main yard | yard for a square mainsail |
| mass spectrograph | a mass spectrometer that produces a graphical representation of the mass spectrum |
mass spectrometer
spectrometer | spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer |
rapid transit
mass rapid transit | an urban public transit system using underground or elevated trains |
riser riser pipe
riser pipeline
riser main | a vertical pipe in a building |
sewer main
sewer line | a main in a sewage system |
| water main | main (a pipe or conduit) for conveying water |
weapon of mass destruction
WMD
W.M.D. | a weapon that kills or injures civilian as well as military personnel (nuclear and chemical and biological weapons) |
| mass | the property of a body that causes it to have weight in a gravitational field |
| critical mass | the minimum mass of fissionable material that can sustain a chain reaction |
| rest mass | (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body |
| relativistic mass | (physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than and that increases as the magnitude of the velocity increases |
| bulk | the property possessed by a large mass |
| gravitational mass | (physics) the mass of a body as measured by its gravitational attraction for other bodies |
| inertial mass | (physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity |
atomic mass
atomic weight
relative atomic mass | (chemistry) the mass of an atom of a chemical element expressed in atomic mass units |
| mass energy | (physics) the mass of a body regarded relativistically as energy |
molecular weight
relative molecular mass | (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule |
bulk
mass volume | the property of something that is great in magnitude, it is cheaper to buy it in bulk, he received a mass of correspondence, the volume of exports |
| critical mass | the minimum amount (of something) required to start or maintain a venture, the battle for the computer market has now reached critical mass, there is now a critical mass of successful women to take the lead, they sold the business because it lacked critical mass |
majority
bulk | the property resulting from being or relating to the greater in number of two parts, the main part, the majority of his customers prefer it, the bulk of the work is finished |
| mass culture | the culture that is widely disseminated via the mass media |
| law of mass action | (chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances |
| mass-energy equivalence | (physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy |
majority rule
democracy | the doctrine that the numerical majority of an organized group can make decisions binding on the whole group |
mass-action principle
mass action | (neurology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning |
conservation of mass
conservation of matter
law of conservation of mass
law of conservation of matter | a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |
| medium mass medium | (usually plural) transmissions that are disseminated widely to the public |
| bulk mail | mail consisting of large numbers of identical items (circulars or advertisements) sent to individual addresses at less than stlass rates and paid for in one lot |
citation form
main entry word
entry word | the form of a word that heads a lexical entry and is alphabetized in a dictionary |