brushless

¹ American  

[bruhsh-lis] / ˈbrʌʃ lɪs /

adjective

1. requiring no brush to use or apply.

   brushless shaving cream.

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brushless ² American  

[bruhsh-lis] / ˈbrʌʃ lɪs /

adjective

1. clear or cleared of brush.

   a brushless plain.

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Other Word Forms

• brushlessness noun

Etymology

Origin of brushless¹

First recorded in 1930–35; brush ¹ + -less

Origin of brushless²

First recorded in 1830–40; brush ² + -less

Example Sentences

This is simply Dyson’s name for its latest brushless electric motors, which have appeared in its most recent stick vacuums.

From The Verge • Oct. 4, 2021

Her intriguing recent oils on canvas and panel at the Los Angeles gallery Luis De Jesus are painted with brushless exactitude, their crisp and controlled surfaces belying personal and interpersonal complexities beneath.

From Los Angeles Times • Oct. 2, 2019

“Using brushless DC motors and lithium battery cells, Rutherford’s turbopumps decouple the thermodynamic problem immediately,” said Beck.

From Forbes • Apr. 14, 2015

Colin Angle is co-founder and CEO of iRobot in Bedford, Mass. The company recently created a brushless version of the Roomba vacuum, and this week released a telepresent robot called Ava 500.

From Slate • Mar. 23, 2014

And he took a thin paintbrush from the top of the desk, and pushed the brushless end into the lock, jiggled it and pushed some more.

From "The Graveyard Book" by Neil Gaiman