Glossary: Y
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Yard
An imperial unit of length. It is equal to 0.9144m.
Unit: yd
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Yield Point
The stress at which sudden increased deformation occurs under slowly increasing load.
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York Stone
A generic term for sandstones form the North of England, often used for paving.
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Young’s Modulus
A modulus of elasticity defined as the ratio of the stress to the strain for any material within the elastic limit.