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beam US English

A long, sturdy piece of squared timber or metal spanning an opening or part of a building, usually to support the roof or floor above

beam US Thesaurus

an oak beam

I-beam US English

A girder that has the shape of an I when viewed in section

off beam US English

On the wrong track; mistaken

beam sea US English

A sea that is running at approximately right angles to a vessel’s heading

box beam US English

Another term for box girder.

full beam US English

The brightest setting of a vehicle’s headlights

high beam US English

The brightest setting of a vehicle’s headlights

low beam US English

An automobile headlight providing short-range illumination, used on lit roads and when visible to oncoming traffic

main beam US English

A principal beam which transmits a load directly to a column

tie beam US English

A horizontal beam connecting two rafters in a roof or roof truss

beam engine US English

A stationary steam engine with a large oscillating beam that transmits the vertical movement of the pistons to a crank or pump

collar beam US English

A horizontal wooden joist or beam connecting two rafters and forming with them an A-shaped roof truss

flitch beam US English

A compound beam made of a steel plate between two slabs of wood

sealed-beam US English

Denoting a vehicle headlight with a sealed unit consisting of the light source, reflector, and lens

balance beam US English

A narrow horizontal bar raised off the floor, on which a gymnast balances while performing exercises

beam compass US English

A drawing compass consisting of a horizontal rod or beam connected by sliding sockets to two vertical legs, used for drawing large circles

beam splitter US English

A device for dividing a beam of light or other electromagnetic radiation into two or more separate beams

electron beam US English

A stream of electrons in a gas or vacuum

particle beam US English

A concentrated stream of subatomic particles, generated in order to cause collisions between particles that will shed new light on their nature and structure

tractor beam US English

(In science fiction) a hypothetical beam of energy that can be used to move objects such as space ships or hold them stationary

on the beam US English

On the right track

post-and-beam US English

(Of a building or a method of construction) having or using a framework of upright and horizontal beams

on her beam-ends US English

(Of a ship) heeled over on its side; almost capsized

broad in the beam US English

Fat around the hips

a beam in one's eye US English

A fault that is greater in oneself than in the person one is finding fault with

beam someone up/down in beam US English

(In science fiction) transport someone instantaneously to another place, especially to or from a spaceship

off beam in beam US English

On the wrong track; mistaken

on the beam in beam US English

On the right track

crossbeam US English

A transverse beam

hammerbeam US English

A short wooden beam (typically carved) projecting from a wall to support either a principal rafter or one end of an arch

hammer beam in hammerbeam US English

A short wooden beam (typically carved) projecting from a wall to support either a principal rafter or one end of an arch

torsion bar US English

A bar forming part of a vehicle suspension, twisting in response to the motion of the wheels and absorbing their vertical movement

off or way off beam in beam US English

On the wrong track; mistaken

on her beam-ends in beam US English

(Of a ship) heeled over on its side; almost capsized

broad in the beam in broad US English

Fat around the hips

beam compasses in beam compass US English

A drawing compass consisting of a horizontal rod or beam connected by sliding sockets to two vertical legs, used for drawing large circles

a beam in one's eye in beam US English

A fault that is greater in oneself than in the person one is finding fault with

on her or its beam-ends in beam US English

(Of a ship) heeled over on its side; almost capsized