slip form

American  

noun

Civil Engineering.

1. a form into which concrete is poured that can be slowly moved and reused in construction, as of a pavement or a building.

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Etymology

Origin of slip form

First recorded in 1945–50

Example Sentences

City fans will wince remembering the end of 2023-24, when a late loss at home to Arsenal saw the title slip form their grasp into Chelsea's hands.

From BBC • Dec. 7, 2025

A proof in slip form of the rejected review, with Borrow’s corrections written upon it, is in my possession. 

From The Life of George Borrow by Shorter, Clement K.

Draw your thumb-nail firmly along soft wood, and it will, by its natural slip, form such a curve.

From Field and Hedgerow Being the Last Essays of Richard Jefferies by Jefferies, Richard

A proof in slip form of the rejected review, with Borrow's corrections written upon it, is in my possession.

From George Borrow and His Circle Wherein May Be Found Many Hitherto Unpublished Letters Of Borrow And His Friends by Shorter, Clement King