Terms starting with Y

Shorthand for yttrium aluminum garnet, and in practice for the Nd:YAG laser at 1064 nm. Shop talk

One cubic yard of concrete, 27 cubic feet, the unit used for every US ready-mix order and invoice. Shop talk

Wire-pulling lubricant named for a familiar yellow brand, smeared on conductors to cut friction in conduit. Shop talk

An approach signal showing yellow, warning the engineer to be ready to stop at the next signal. Shop talk

A yellow shift in whites and light colors caused by overbake or by fumes in gas-fired ovens.

Single number that rises as a near-white sample shifts toward yellow, used to track aging and lignin effects.

Fraction of units that come out good at a step or across a whole process, the headline number for any production line.

The frame on top of a valve bonnet that holds the stem nut or mounts the actuator above the packing.

Yttria-stabilized zirconia: the standard ceramic for thermal barrier top coats.