Acceptance Tests

Those tests deemed necessary to determine the acceptability of a product and as agreed to by both purchaser and vendor.

Absorption Coefficients

The degree to which various materials absorb heat or radiant energy when compared to each other.  

Acceptance Quality Level-AQL

The maximum number of defectives likely to exist within a population (lot) that can be considered to be contractually tolerable; normally associated with statistically derived sampling plans.

Accelerator

see "Catalyst."

a substance that causes or accelerates a chemical reaction without itself being affected.


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Accelerated Aging

The means whereby the deterioration encountered in natural aging is artificially reproduced and hastened.

Abrasive Trimming

Adjusting the value of a film component by notching it with a finely‑adjusted stream of an abrasive material against the resistor surface.