C1noun2K

Beam

UK /["/biːm/"]/US /["/biːm/"]/

Definition

a line of light, electromagnetic waves or particles

In simple words: A long, sturdy piece of wood or metal.

Examples

  • The beam of light illuminated the dark room, creating shadows on the walls.
  • He walked in with a broad beam on his face, clearly pleased with the news.
  • The engineers constructed a steel beam to support the bridge's weight.
  • After gaining first place, she had a beam of satisfaction in her expression.
  • The beam balance in the lab is essential for precise measurements.
  • He adjusted the angle of the beam to ensure it was perfectly level.
  • The athlete's beam routine was flawless, earning him a perfect score.
  • The sun's beam filtered through the trees, creating a magical atmosphere.

Usage notes

Commonly used in construction and engineering contexts. Not usually used informally unless describing warmth or light (e.g., 'a beam of light').

Grammar pattern

standalone noun

Memory hint

Think of a 'beam' of sunshine - strong and straight.

Collocations

  • light
  • bright
  • intense
  • emit
  • fire
  • shoot
  • shine
  • illuminate something
  • light something up
  • beam from
  • beam of
  • timber
  • wooden
  • oak
  • support something

Synonyms

  • girders
  • rafter
  • strut
  • support
  • stay

Antonyms

  • cavity
  • hole

Common mistakes

  • Confused with 'team' when speaking quickly.
  • Using inappropriately in figurative contexts without clarification.
  • Pluralizing incorrectly as 'beamses'.