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| Definition | : | Parts Per Trillion |
| Category | : | Academic & Science » Units |
| Country/ Region |
: | Worldwide
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| Popularity | : |
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One part per trillion (ppt) denotes one part per 1,000,000,000,000 parts. Parts-per Notation is a set of pseudo units to describe small values of miscellaneous dimensionless quantities. Although “ppt” usually means “parts per trillion”, it occasionally means “parts per thousand”. Unless the meaning of “ppt” is defined explicitly, it has to be guessed from the context.
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The full form of ppt is Parts Per Trillion
Precipitate | Pulsed Plasma Thruster | Parts Per Trillion
PowerPoint Presentation | Precipitate | Pulsed Plasma Thruster | Parts Per Trillion