very low frequency - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

frequency collapse: the number of observations in a given statistical category; the ratio of the number of observations in a statistical category to the total number of observations; the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"

wavelength collapse: the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave; a shared orientation leading to mutual understanding; "they are on the same wavelength"

radio wave collapse: an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m

spectrum collapse: broad range of related values or qualities or ideas or activities; an ordered array of the components of an emission or wave

resonance collapse: the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities; a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system; an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation

earphone collapse: electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"

tweeter collapse: a loudspeaker that reproduces higher audio frequency sounds; "the sound system had both tweeters and woofers"

loudspeaker collapse: electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

radio transmitter collapse: transmitter that is the part of a radio system that transmits signals

direct current collapse: an electric current that flows in one direction steadily

alternating current collapse: an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

fluctuation collapse: the quality of being unsteady and subject to changes; "he kept a record of price fluctuations"; a wave motion; "the fluctuations of the sea"

frequency band collapse: a band of adjacent radio frequencies (e.g., assigned for transmitting radio or television signals)

node collapse: (computer science) any computer that is hooked up to a computer network; any bulge or swelling of an anatomical structure or part; (astronomy) a point where an orbit crosses a plane; (physics) the point of minimum displacement in a periodic system; any thickened enlargement; a connecting point at which several lines come together

diffraction collapse: when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

cone collapse: any cone-shaped artifact; visual receptor cell sensitive to color; cone-shaped mass of ovule- or spore-bearing scales or bracts; a shape whose base is a circle and whose sides taper up to a point; make cone-shaped; "cone a tire"

vibration collapse: the act of vibrating; a distinctive emotional aura experienced instinctively; "that place gave me bad vibrations"

cycle collapse: a single complete execution of a periodically repeated phenomenon; "a year constitutes a cycle of the seasons"; a periodically repeated sequence of events; "a cycle of reprisal and retaliation"; a series of poems or songs on the same theme; "Schubert's song cycles"; an interval during which a recurring sequence of events occurs; "the never-ending cycle of the seasons"; recur in repeating sequences; pass through a cycle; "This machine automatically cycles"; cause to go through a recurring sequence; "cycle the laundry in this washing program"

speaker collapse: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"; the presiding officer of a deliberative assembly; "the leader of the majority party is the Speaker of the House of Representatives"

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