fre|quen|cy

fre|quen|cy
fre|quen|cy «FREE kwuhn see», noun, plural -cies.
1. the rate of occurrence: »

The flashes of light came with a frequency of three per minute.

2. the fact of occurring often or being repeated at short intervals: »

The frequency of his visits began to annoy us.

3. Physics. a) the number of times that any regularly repeated event, such as a vibration, occurs in a given unit of time: »

If the natural frequency of a particular blade corresponds to the frequency of the critical operating speed of the engine, the blade will vibrate (New York Times).

 b) the number of complete cycles per second of an alternating current or other electric wave. Sixty cycles per second is a commonly used frequency of current in a house. Different radio and television stations broadcast at different frequencies so that their signals can be received distinctly.
4. Statistics. the number of cases of the data under consideration falling within a particular class interval.
5. Mathematics. the ratio of the number of times an event actually occurs to the number of times it might occur in a given period.
6. Obsolete. a) the state or condition of being crowded. b) a crowd.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • fre|quen|ta|tion — «FREE kwuhn TAY shuhn», noun. the act or habit of frequenting; visiting or resorting to frequently …   Useful english dictionary

  • fre|quen|ta|tive — «frih KWEHN tuh tihv», adjective, noun. Grammar. –adj. serving to express the frequent repetition of an action. “Waggle” is a frequentative verb from “wag.” –n. a frequentative verb or verbal form …   Useful english dictionary

  • fre·quen·cy — /ˈfriːkwənsi/ noun, pl cies 1 [noncount] : the fact or condition of happening often : common occurrence the alarming frequency of serious automobile accidents caused by young drivers The frequency of student errors was frustrating to the young… …   Useful english dictionary

  • au´di|o-fre´ quen|cy — audio frequency, the frequency corresponding to audible sound vibrations. The range for human beings is from about 20 to about 20,000 cycles per second. Abbr: AF (no periods). –au´di|o fre´ quen|cy, adjective …   Useful english dictionary

  • ei|gen|fre|quen|cy — «Y guhn FREE kwuhn see», noun, plural cies. Physics. any one of the characteristic frequencies of the wave patterns of a vibrating system. ╂[< German Eigenfrequenz < eigen own + frequenz frequency] …   Useful english dictionary

  • gy|ro|fre|quen|cy — «JY roh FREE uhn see», noun, plural cies. Physics. the natural frequency of gyration of an electron or other charged particle in a constant magnetic field …   Useful english dictionary

  • high-fre|quen|cy — «HY FREE kwuhn see», adjective. of or having to do with a frequency ranging from 3 to 30 megahertz: »high frequency radio receivers, high frequency sound waves …   Useful english dictionary

  • in|fre|quen|cy — «ihn FREE kwuhn see», noun. the fact or condition of being infrequent; uncommonness; scarcity; rarity …   Useful english dictionary

  • low-fre|quen|cy — «LOH FREE kwuhn see», adjective. of or having to do with a frequency ranging from 30 to 300 kilohertz …   Useful english dictionary

  • ra´di|o|fre´quen|cy — radio frequency, 1. any electromagnetic wave frequency suitable for radio broadcasting, usually above 15,000 cycles per second: »Techniques using radio frequencies are therefore the method par excellence for studying low energy transitions in… …   Useful english dictionary

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