undercoating

American  

[uhn-der-koh-ting] / ˈʌn dərˌkoʊ tɪŋ /

noun

1. a protective seal applied to the underside of an automobile to reduce corrosion and vibration.

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Etymology

Origin of undercoating

First recorded in 1920–25; undercoat + -ing ¹

Example Sentences

The owner of a 1969 Ford Mustang Mach 1 Cobra Jet he’s auctioning online credits undercoating for the surprisingly rust-free state of the Washington-based car that he’s had sitting in storage for 38 years.

From Fox News

We spent some 60 hours underneath the car scraping off undercoating, which had probably been put on by a dealership when the car was originally purchased.

From The Wall Street Journal

He does most of the work himself, calling in a friend when he gets swamped and outsourcing some of the undercoating for the beach rides.

From Washington Times

Sparks thrown up as the rail cars and autos skidded along the pavement had ignited the tires and undercoating of the cars.

From Washington Post

In summer, the huge, compound green leaves glow with an undercoating of golden indumentum, and in fall, long, fuzzy wands produce airy sprays of tiny white flowers.

From Seattle Times