Burn-in Period N. 1. A Factory Test Designed To Catch Systems With Marginal Components Before They Get Out The Doo

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burn-in period n.

1. A factory test designed to catch
systems with marginal components before they get out the door;
the theory is that burn-in will protect customers by outwaiting the
steepest part of the bathtub curve (see infant mortali
using a computer is so intensely involved in his project that he
forgets basic needs such as food, drink, sleep, etc. Warning:
Excessive burn-in can lead to burn-out. See hack mode,
larval stage.

Historical note: the origin of "burn-in" (sense 1) is apparently
the practice of setting a new-model airplane's brakes on fire, then
extinguishing the fire, in order to make them hold better. This was
done on the first version of the U.S. spy-plane, the U-2.

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