upthrust

[ uhp-thruhst ]

/ ˈʌpˌθrʌst /

a thrust in an upward direction.

a sudden and forceful upward movement, as of a nation's economy or the stock market: Market observers are hoping the upthrust can be sustained.

Geology. an upheaval.

to thrust upward: Frost caused the ground to upthrust.

Origin of upthrust

First recorded in 1840–50; up- + thrust

uptake, uptalk, uptear, upter, upthrow, upthrust, uptick, uptight, uptilt, uptime, uptitling

The tented arch is directly beneath the innermost loop, and is of the upthrust type.

The Science of Fingerprints |Federal Bureau of Investigation
Upthrust, up′thrust, n. a thrust upward, an upheaval of a mass of rock.

Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) |Various
Mr. Pennypacker leaned with an air of satisfaction against the upthrust bough of a fallen oak.

The Young Trailers |Joseph A. Altsheler
The dot at the center is not elongated enough to be considered an upthrust.

The Science of Fingerprints |Federal Bureau of Investigation

I can show you places over there on the East wall of the Sierras where the mountains have been upthrust that way.

Unexplored! |Allen Chaffee

upthrust

/ (ˈʌpˌθrʌst) /

an upward push or thrust

geology a violent upheaval of the earth's surface