an area of an image is masked out so it does not print.

See Mask Out.

The removal (or knock out) of the color in an area, allowing the background or page color to show through.

Inactivation of a gene by homologous recombination following transfection with a suitable DNA construct.

The process of purposely removing a particular gene or trait from an organism.

To remove sand and casting from a flask.

A term used to describe the condensate flow rate. It can be expressed as gallons per minute (GPM) or pounds mass per minute (lbm/min) ( 0103)

A competiton usually matchplay where only the winner or team goes on to the next round.

overwhelm with admiration; "All the guys were knocked out by her charm"

knock unconscious or senseless; "the boxing champion knocked out his opponent in a few seconds"

An Angel that have lost all of its hit points/stamina is considered to be Knocked Out. The Knocked Out Angel is declared to be the loser of the fight.

Coup in which by manipulating the odds at the course a generous starting price is achieved for the favourite, the benefit of which is enjoyed with the S.F. commission away from the course.

destroy or break forcefully; "The windows were knocked out"

empty (as of tobacco) by knocking out; "knocked out a pipe"

an accidental win

The option that allows the top object to print and the bottom object not to print where the top object overlaps it. In other words, you want the top object to "knock out" the bottom object.

eliminate; "knock out a target"

When white type appears on a color field (hence “knocking out” of the color).

force out so as to establish lower cards.