analog clock |
a clock that displays the time using a long hand to show the hour and a short hand to show the minutes. |
anytime |
at any moment, hour, or day; whenever. [1/2 definitions] |
blizzard |
in meteorology, a violent snowstorm characterized by high winds of no less than 35 miles (56 kilometers) per hour and lasting three hours or more. A blizzard results in extremely reduced visibility. [1/2 definitions] |
circadian |
denoting or concerning behavioral or physiological activities that recur at about twenty-four-hour intervals, such as sleep rhythms. |
Circadian rhythm |
the approximately 24-hour cycle apparent in plants and animals that regulates hormone production, cell regeneration, sleeping and feeding patterns, and the like. [1/2 definitions] |
cuckoo clock |
a clock that conceals a mechanical bird that pops out of a little door to announce the hour with sounds resembling the cry of a cuckoo. |
daylight-saving time |
standard time that has been advanced by one hour in a given time zone, usu. in the spring and lasting into the fall, in order to provide one more hour of daylight at the end of each day. |
dogwatch |
either of two two-hour watches aboard ship that occur between four and eight P.M. |
DST |
abbreviation of "daylight saving time," standard time that has been advanced by one hour in a given time zone, usu. in the spring and lasting into the fall, in order to provide one more hour of daylight at the end of each day. |
gale |
a strong wind, esp. one of about thirty to sixty miles per hour. [1/2 definitions] |
half-hour |
thirty minutes after any hour, or an interval of thirty minutes. [1/4 definitions] |
hour |
the distance that can be traveled in one hour. [1/5 definitions] |
hourglass |
an instrument that measures time by channeling a quantity of sand or mercury through a narrow opening between two larger glass bulbs in exactly one hour. [1/2 definitions] |
hour hand |
the shorter hand on a watch or a clock, which moves around the entire face twice a day and indicates the hour. |
hourlong |
lasting an hour. |
hourly |
done or occurring every hour. [3/5 definitions] |
hr. |
abbreviation of "hour" or "hours," a unit of time equal to sixty minutes. |
hurricane |
a powerful cyclonic storm that originates in the West Indian region of the Atlantic Ocean or in the eastern part of the Pacific Ocean near Mexico and Central America. A hurricane is characterized by heavy rains along with winds exceeding 73 miles, or 119 kilometers, per hour. |
intransitive verb |
a verb that is not followed by a direct object. In the sentence, "I ran for an hour," "ran" is an intransitive verb. |
kilowatt-hour |
a unit of electrical energy equal to one kilowatt operating for one hour. (abbr.: kwh, kWh) |
knot1 |
one nautical mile, or about 6,080 feet, per hour. [1/14 definitions] |