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beam

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1beam/ˈbiːm/noun
pluralbeams
1beam
/ˈbiːm/
noun
pluralbeams
Learner's definition of BEAM  
[count]
: a line of light coming from a source (such as the sun or a headlight)
— see also high beam, low beam, sunbeam
   b  : a line of energy, particles, etc., that cannot be seen
: a long and heavy piece of wood or metal that is used as a support in a building or ship
— see also balance beam

off beam

British, informal
: incorrect or mistaken

on the beam

informal
: exactly correct

— beamed

adjective
2beam/ˈbiːm/verb
beamsbeamedbeaming
2beam
/ˈbiːm/
verb
beamsbeamedbeaming
Learner's definition of BEAM  
[no object]  : to smile happily
   b  [+ object]  : to say (something) while smiling happily
: to send out beams of light or energy
[no object]
[+ object]
[+ object]  : to send out (information, television signals, etc.) through wires or the air
[+ object]in stories  : to send (someone) to another place instantly by using a special machine
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