coupled

Linked as one

Coupled means joined or linked together.

Two things coupled are connected, whether physically or conceptually: The train cars were coupled at the station, Economic growth coupled with low inflation created ideal conditions.

In physics and engineering, coupled systems interact with each other—coupled oscillators, coupled reactions.

The word often emphasizes that two factors work together or must be considered jointly.

joined

linked

Fastened to another

connectedJoined to another
attachedJoined to another thing
fastenedJoined or held together

paired · yoked · bonded · interlocked · fused · spliced · latched · hooked · hitched · tethered

romantic

relationship

Connection between entities

partnershipShared business arrangement
pairTwo matching things
togethernessState of close connection

married · engaged · dating · sweethearts · lovers · commitment · intimacy · affection · devotion · bonding

partnership

paired

Joined as two

alliedJoined in partnership
associatedConnected in relationship
affiliatedFormally linked or connected

collaborative · joint · combined · united · coordinated · tandem · synchronized · cooperative · mutual · shared

physics

oscillators

Circuits generating periodic signals

pendulumsSuspended swinging weights
resonanceAmplified oscillation at natural frequency
harmonicOf musical overtones

quantum · entangled · coherent · synchronous · equations · systems · variables · modes · dynamics · interactions

mechanical

linkage

Connected system of parts

gearsToothed rotating machine parts
clutchMechanism linking engine to gearbox
transmissionSending of information

crankshaft · carriages · railcars · hitch · connector · axle · shaft · trailer · yoke · joint

coupled

linked

relationship

paired

oscillators

linkage

coupled

Opposites

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