beam


Definition: Meaning of, beam in English to English dictionary.

Pronunciation: / biːm /

  • noun
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Word Forms:
Singular Plural
beam beams
[countable]
  1. a line of light shining from the sun, a lamp etc
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  2. a line of light, energy etc that you cannot see
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  3. a long heavy piece of wood or metal used in building houses, bridges etc
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  4. a wide happy smile
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  5. off beam British English informal incorrect or mistaken
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  6. a BALANCE BEAM
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  7. technical the widest part of a ship from side to side
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  • verb
  • synonym
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Word Forms:
Prsesent Past Past Participle
beam beamed beamed
Present Participle Third Person Singular
beaming beams
  1. [intransitive] to smile very happily
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  2. [transitive always + adverb/preposition] to send a radio or television signal through the air, especially to somewhere very distant
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  3. [intransitive and transitive] to send out a line of light, heat, energy etc
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beam used in phrases

  • I-beam (noun)
    1. girder having a cross section resembling the letter 'I'
  • balance beam (noun)
    1. a long narrow wooden board on which a GYMNAST performs
  • beam balance (noun)
    1. a balance consisting of a lever with two equal arms and a pan suspended from each arm
  • beam of light (noun)
    1. as from a beacon a column of light
  • beam scale (noun)
    1. a portable balance consisting of a pivoted bar with arms of unequal length
  • beam-ends (noun)
    1. nautical at the ends of the transverse deck beams of a vessel
  • box beam (noun)
    1. a beam built up from boards; has a hollow rectangular cross section
  • electron beam (noun)
    1. a group of nearly parallel lines of electromagnetic radiation
  • full beam (noun)
    1. on full beam car HEADLIGHT s (= the main lights at the front) that are on full beam are switched to a position that makes them shine very brightly and straight ahead [=  high beam AmE [↪  dipped]
  • high beam (noun)
    1. the beam of a car's headlights that provides distant illumination
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beam used in phrasal verbs

  • beam down (phrasal verb)
    1. in science fiction stories, to send someone down onto a planet from a spacecraft using special electronic equipment
  • beam up (phrasal verb)
    1. in science fiction stories, to bring someone back to their spacecraft using special electronic equipment
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