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time and motion study

(Encyclopedia)time and motion study, analysis of the operations required to produce a manufactured article in a factory, with the aim of increasing efficiency. Each operation is studied minutely and analyzed in ord...

Kimball, Sumner Increase

(Encyclopedia)Kimball, Sumner Increase, 1834–1923, organizer of the U.S. Life-Saving Service, b. Lebanon, Maine. A lawyer, he became (1871) head of the revenue marine service of the Treasury Dept., and his invest...

frozen foods

(Encyclopedia)frozen foods, products of the food preservation process of freezing. This process has been employed by people in the Arctic from prehistoric times. Eskimos throw fresh-caught fish on the ice to freeze...

day

(Encyclopedia)day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, is measured relative to the sun, being the time between successive passages of the sun over a stationary o...

Mercury, in astronomy

(Encyclopedia)Mercury, in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to those of the moon a...

corona, in astronomy

(Encyclopedia)corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time of totality durin...

Hammerfest

(Encyclopedia)Hammerfest häˈmərfĕst [key], town, Finnmark co., N Norway, on Kvaløy island. It is the n...

time , sequential arrangement of all events

(Encyclopedia)time, sequential arrangement of all events, or the interval between two events in such a sequence. The concept of time may be discussed on several different levels: physical, psychological, philosophi...

Pacific Rim National Park

(Encyclopedia)Pacific Rim National Park, 60 sq mi (155 sq km), along the west coast of Vancouver Island, near Ucluelet, SE British Columbia, Canada; est. 1971. The park includes Long Beach, several islands, the his...

growing season

(Encyclopedia)growing season, period during which plant growth takes place. In temperate climates the growing season is limited by seasonal changes in temperature and is defined as the period between the last killi...