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Word of the day
forFebruary 13

shortwaveadj(radio,telecommunications)

Of a radio wave: having awavelength of between 10 and 100metres,corresponding to afrequency between 3 and 30megahertz.
Ofradio equipment:capable ofreceiving ortransmitting radio signals at wavelengths in the aboverange.

shortwaveadv

(radio,telecommunications)Using radio waves havingwavelengths of between 10 and 100metres,corresponding tofrequencies between 3 and 30megahertz.

shortwaven

(physics,telecommunications) Anelectromagnetic wave with arelativelyshortwavelength; specifically, one with a wavelength generally between 10 and 100metres,corresponding to afrequency between 3 and 30megahertz.
1. (meteorology)Downward radiation in the shortwave(noun sense 1) frequencyrange whichenters theEarth'satmosphere.
2. (radio,telecommunications)
  1. Awaveband comprising radio waves in the shortwave(noun sense 1) frequency range, especially whenused inbroadcasting.
  2. In fullshortwave radio: aradio which is able toreceive radio waves in the shortwave(noun sense 1) waveband.

Today isWorld Radio Day, which is recognized by theUnited Nations to highlight the importance ofradio for sharinginformation, promotingdiversity ofideas, and reachingremote communities andvulnerable people, and its role inemergency communication duringdisasters.United Nations Radio was established on this day 80 years ago in 1946.

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Foreign word of the day inIraqi Arabic

عمبة (ʕamba)noun

amba(ablended mash of mainlypickled mango, used as aside dish orcondiment)

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