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take-off angle (TOA) definition

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in electron spectroscopy for chemical analysis, the angle of the lens axis with respect to the sample plane.

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Ternary Compound definition
A compound consisting of three elements; may be ionic or covalent.

surface protrusions or intrusions definition
in the manufacture of molded plastic packages, plastic excesses (such as bumps or blisters) or recesses (such as pits or voids) on any surface of the package. [SEMI G54-93]

surround shape definition
a geometric configuration around the symbol, which can convey additional safety information. [SEMI S1-90]

terminal emulator definition
a computer program that runs on a computer and causes the computer to act like a specified terminal.

Synthase definition
An enzyme that catalyzes a reaction in which a particular molecule is synthesized, not necessarily by formation of a bond between two molecules (contrast synthetase).