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leaded

American  
[led-id] / ˈlɛd ɪd /

adjective

  1. (of gasoline) containing tetraethyllead.

leaded British  
/ ˈlɛdɪd /

adjective

  1. (of windows) composed of small panes of glass held in place by thin grooved strips of lead

    leaded lights

  2. (of petrol) containing tetraethyl lead in order to improve combustion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of leaded

First recorded in 1935–40; lead 2 + -ed 3

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.