The egg is the largest cell in the human body and contains a high amount of water. When the egg is frozen, the ice crystals that form can destroy the integrity of the cell. To prevent this, the egg must be dehydrated prior to freezing.
A slot car (sometimes, slotcar) is a powered miniature auto or other vehicle that is guided by a groove or slot in the track on which it runs.
Slotted Screwdrivers. Another way to describe a flathead screwdriver is to call it a slotted screwdriver. This stems from the fact that the flat tip of the driver is meant to fit snugly into the slot of a screw to tighten or loosen it. A slotted screw is one of many kinds of screws including the equally-common Phillips head and the somewhat less common square head.