beam-antenna

beam antenna

noun Radio.
an antenna that transmits its radiation in a particular direction.

Origin:
1930–35

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Beam-antenna is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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