types:
temperature
the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
mass
the property of a body that causes it to have weight in a gravitational field
length
the linear extent in space from one end to the other; the longest dimension of something that is fixed in place
absolute zero
(cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit
dew point
the temperature at which the water vapor in the air becomes saturated and condensation begins
flash point,
flashpoint
the lowest temperature at which the vapor of a combustible liquid can be ignited in air
mercury
temperature measured by a mercury thermometer
simmer
temperature just below the boiling point
blood heat,
body temperature
temperature of the body; normally 98.6 F or 37 C in humans; usually measured to obtain a quick evaluation of a person's health
body
the main mass of a thing
biomass
the total mass of living matter in a given unit area
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 1 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
mass energy
(physics) the mass of a body regarded relativistically as energy
diam,
diameter
the length of a straight line passing through the center of a circle and connecting two points on the circumference
r,
radius
the length of a line segment between the center and circumference of a circle or sphere
longness
the property of being of long spatial extent
shortness
the property of being of short spatial extent
mass defect,
mass deficiency
the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles
time frame
a time period during which something occurs or is expected to occur
hours
an indefinite period of time
downtime
a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions)
uptime
a period of time when something (as a machine or factory) is functioning and available for use
work time
a time period when you are required to work
time off
a time period when you are not required to work
times
a more or less definite period of time now or previously present
time
an indefinite period (usually marked by specific attributes or activities)
elapsed time
the time that elapses while some event is occurring
field day
a time of unusual pleasure and success
life
the period between birth and the present time
life
the period from the present until death
occupation
the period of time during which a place or position or nation is occupied
past
a earlier period in someone's life (especially one that they have reason to keep secret)
shelf life
the length of time a packaged food or drug will last without deteriorating
puerperium
time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved
lactation
the period following birth during which milk is secreted
time of life
a period of time during which a person is normally in a particular life state
festival
a day or period of time set aside for feasting and celebration
night
the time between sunset and midnight
night
the period spent sleeping
night
a period of ignorance or backwardness or gloom
eve
the period immediately before something
evening
the early part of night (from dinner until bedtime) spent in a special way
weekend
a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday
year
the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
year
a period of time occupying a regular part of a calendar year that is used for some particular activity
semester
half a year; a period of 6 months
Olympiad
one of the four-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC
quarter
a fourth part of a year; three months
day
the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis
time limit
a time period within which something must be done or completed
term
a limited period of time
trimester
a period of three months; especially one of the three three-month periods into which human pregnancy is divided
hour
a special and memorable period
silly season
a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news
Golden Age
(classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period
silver age
(classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age
bronze age
(classical mythology) the third age of the world, marked by war and violence
iron age
(classical mythology) the last and worst age of the world
Platonic year,
great year
time required for one complete cycle of the precession of the equinoxes, about 25,800 years
season,
time of year
one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions
season
a recurrent time marked by major holidays
season
a period of the year marked by special events or activities in some field
epoch,
era
a period marked by distinctive character or reckoned from a fixed point or event
generation
the normal time between successive generations
reign
a period during which something or somebody is dominant or powerful
run
the continuous period of time during which something (a machine or a factory) operates or continues in operation
dawn
an opening time period
evening
a later concluding time period
time
a period of time considered as a resource under your control and sufficient to accomplish something
nap,
sleep
a period of time spent sleeping
half life,
half-life
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
phase,
stage
any distinct time period in a sequence of events
watch
the period during which someone (especially a guard) is on duty
peacetime
a period of time during which there is no war
wartime
a period of time during which there is armed conflict
honeymoon
the early (usually calm and harmonious) period of a relationship; business or political
indiction
a 15-year cycle used as a chronological unit in ancient Rome and adopted in some medieval kingdoms
prohibition,
prohibition era
the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment
incubation period
the period between infection and the appearance of symptoms of the disease
noviciate,
novitiate
the period during which you are a novice (especially in a religious order)
clotting time
the time it takes for a sample of blood to clot; used to diagnose some clotting disorders
air alert
the time period during which military and civilian agencies are prepared for an enemy air attack
question time
a period during a parliamentary session when members of British Parliament may ask questions of the ministers
real time
(computer science) the time it takes for a process under computer control to occur
real time
the actual time that it takes a process to occur
study hall
a period of time during the school day that is set aside for study
usance
the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)
window
the time period that is considered best for starting or finishing something
limbo
a period of prolonged uncertainty
vintage
the period or time when something was produced
period
one of the divisions of a school day