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rotary

rotary

7 8.7
A machine that changes alternating current into direct current
  • noun
  • /ˈroʊtəri/
  • Archaic
translation icon : convertidor rotativo
  • Solvent was evaporated on a rotary evaporator, and semisolid extracts were collected in the pre-weighed beakers.
  • rotary actuator
  • rotary motion
  • rotary vane

Examples

  • They installed a new rotary device to improve the efficiency of the electrical system.

  • The engineer explained how the rotary converter changes AC into DC power.

  • A young man in a long white apron lifted a black rotary phone onto the counter.

    Fiction book (1996)
  • It's a rotary phone.

  • The system is designed using rotary union technology, which MAG claims extends reliability and seal life.

    Academic text (2011)
  • The Deltran Division includes electromagnetic clutches and brakes used in rotary control applications.

    Academic text (1995)
  • Here, student employee Cheryle Nowlin uses a rotary sieve to measure changes in soil samples.

    Academic text (1994)
  • Finished tubes are held vertically in place by chucks on a rotary platform that resembles a drill press.

    Academic text (1995)
  • The new Leybold TRIVAC E rotary vane pumps reduce environmental pollution and increase operational safety.

    Academic text (1997)
  • The stainless steel construction of these rotary lobe pumps reduces chemical compatibility and product contamination problems.

    Academic text (1997)

Synonyms

rotary converter
vsrotary
  • Archaic
9.4

A machine with a spinning part that changes alternating current into direct current and back

is described as a converter made from a synchronous machine not stressing rotation
synchronous converter
vsrotary
  • Specialized
7.2

A machine that changes electricity that changes direction into electricity that flows one way

is the same converter idea but named for the machine rather than the operation

Compounds

7 3.1

A group of local people who meet to help their community and the world

rotary engine
  • Specialized
1 6.9

A machine that makes power by turning parts around a central point, used in cars or planes

rotary wing
  • Specialized
1 6.9

A set of long rotating blades on a helicopter that lift it and let it hover

9.4

A machine with a spinning part that changes alternating current into direct current and back

rotary encoder
  • Specialized
6.1

A device that tells how far a rotating shaft has turned by sending a code

rotary harrow
  • Specialized
8.5

A machine with rotating spikes that breaks and smooths soil before planting

rotary actuator
  • Specialized
7.9

A device that turns to move the read and write head in a hard disk

rotary joint
  • Specialized
6.1

A connection between two parts that lets one part turn around a single straight line like in the forearm

rotary motion
  • Specialized
3.6

Movement in which something spins around a fixed line

rotary press
  • Specialized
5.7

A machine that prints many pages quickly using a turning metal drum

Wankel rotary engine
  • Specialized
7.8

A car engine that makes power using a spinning three-sided piece instead of moving pistons

Surface Forms

rotary singular
rotaries plural

Etymology

Rotary for an electrical converter gets its name from a machine that turns; it comes from Latin rota 'wheel' and is like rotate, because the device uses a spinning part to change one kind of electric current to another.