semester hour
credit hour | a unit of academic credit, one hour a week for an academic semester |
switch
switching
shift | the act of changing one thing or position for another, his switch on abortion cost him the election |
| operations research | research designed to determine most efficient way to do something |
chemical warfare
chemical operations | warfare using chemical agents to kill or injure or incapacitate the enemy |
operations
trading operations | financial transactions at a brokerage, having to do with the execution of trades and keeping customer records |
| base base of operations | installation from which a military force initiates operations, the attack wiped out our forward bases |
hour hand
little hand | the shorter hand of a clock that points to the hours |
hour
minute | distance measured by the time taken to cover it, we live an hour from the airport, its justminutes away |
field field of operations
theater
theater of operations
theatre
theatre of operations | a region in which active military operations are in progress, the army was in the field awaiting action, he served in the Vietnam theater for three years |
| hour angle | the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body |
| hour circle | a great circle on the celestial sphere that passes through both celestial poles |
flower-of-an-hour
flowers-of-an-hour
bladder ketmia
black-eyed Susan Hibiscus trionum | annual weedy herb with ephemeral yellow purple-eyed flowers, Old World tropics, naturalized as a weed in North America |
megaflop
MFLOP
million floating point operations per second | (computer science) a unit for measuring the speed of a computer system |
teraflop
trillion floating point operations per second | (computer science) a unit for measuring the speed of a computer system |
| ampere-hour | a unit of charge equal to coulombs |
| light hour | the distance light travels in a vacuum in one hour, approximately one billion kilometers |
| watt-hour | a unit of energy equal to the power of one watt operating for one hour |
kilowatt hour
kW-hr
Board of Trade unit
B.T.U. | a unit of energy equal to the work done by a power of watts operating for one hour |
| horsepower-hour | a unit of work equal to the work done by one horsepower in one hour |
hour angle
HA | (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing, the right ascension for an observer at a particular location and time of day |
day
twenty-four hours
twenty-four hour period
-hour interval
solar day
mean solar day | time for Earth to make a complete rotation on its axis, two days later they left, they put on two performances every day, there are , passengers per day |
| late-night hour | the latter part of night |
| early-morning hour | an hour early in the morning |
| sidereal hour |
of a sidereal day |
hour
hr
minutes a | a period of time equal to
th of a day, the job will take more than an hour |
half-hour
minutes | a half of an hour |
quarter-hour
minutes | a quarter of an hour |
| hour time of day | clock time, the hour is getting late |
| hour | a special and memorable period, it was their finest hour |
| happy hour | the time of day when a bar sells alcoholic drinks at a reduced price |
| rush hour | the times at the beginning and end of the working day when many people are traveling to or from work |
| zero hour | the time set for the start of an action or operation |
| canonical hour | (Roman Catholic Church) one of seven specified times for prayer |
man hour
person hour | a time unit used in industry for measuring work |
eleventh hour
last minute | the latest possible moment, money became available at the eleventh hour, at the last minute the government changed the rules |
kilometers per hour
kilometres per hour
kph
km
h | the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours) |
| miles per hour mph | the ratio of the distance traveled (in miles) to the time spent traveling (in hours) |
miles per hour
mph | a speedometer reading for the momentary rate of travel |
| after-hour | after closing time especially a legally established closing time, after-hours socializing, an after-hours club |