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 |
rest
ease
repose
relaxation | freedom from activity (work or strain or responsibility), took his repose by the swimming pool |
bedrest
bed rest | confinement to bed continuously (as in the case of some sick or injured persons) |
| chin rest | a rest on which a violinist can place the chin |
gunwale
gunnel
gun rest | wale at the top of the side of boat, topmost planking of a wooden vessel |
home nursing home
rest home | an institution where people are cared for, a home for the elderly |
| 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 |
| neutron bomb | atom bomb that produces lethal neutrons with less blast |
pull-off
rest area
rest stop
layby
lay-by | designated paved area beside a main road where cars can stop temporarily |
rapid transit
mass rapid transit | an urban public transit system using underground or elevated trains |
| rest | a support on which things can be put, the gun was steadied on a special rest |
| rest house | a building used for shelter by travelers (especially in areas where there are no hotels) |
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 |
| 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 |
| 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 |
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 |
| mass noun | a noun that does not form plurals |
| Mass card | (Roman Catholic Church) a card sent to a bereaved family that says the sender has arranged for a Mass to be said in memory of the deceased |
body mass index
BMI | a measure of someone's weight in relation to height, to calculate one's BMI, multiply one's weight in pounds and divide that by the square of one's height in inches, overweight is a BMI greater than , obese is a BMI greater than |
| rest | a musical notation indicating a silence of a specified duration |
| whole rest | a musical rest equal in duration to four beats in common time |
| half rest | a musical rest having the time value of half a whole rest or equal in duration to two beats in common time |
| quarter rest | a musical rest having one-fourth the time value of a whole rest |
| Mass | a sequence of prayers constituting the Christian Eucharistic rite, the priest said Mass |
| Mass | a musical setting for a Mass, they played a Mass composed by Beethoven |
| mass | an ill-structured collection of similar things (objects or people) |
multitude masses
mass hoi polloi
people the great unwashed | the common people generally, separate the warriors from the mass, power to the people |
rally
mass meeting | a large gathering of people intended to arouse enthusiasm |
center of mass
centre of mass | point representing the mean position of the matter in a body |
| ice mass | a large mass of ice |