Related Words

Exposure Meter: Instrument for measuring the amount of light falling on or being reflected by a subject.

Luminance Meter: Alternate term for exposure meter.

Light Meter: Alternate term for exposure meter.

Perimeter Drain: 3' or 4' perforated plastic pipe that goes around the perimeter (either inside or outside) of a foundation wall (before backfill) and collects and diverts ground water away from the foundati . . . View Full Definition

Perimeter-Weighted: (also 'cavity back, cavity-back') a style of club head where the mass is distributed more toward the perimeter (outside edges) of the club head in order to increase the effective size of the . . . View Full Definition

Pentameter: Five feet: sometimes termed pentapody, a five-part foot, one measure made up of five feet. Iambic pentameter or cinquepace is the rhythm of so-called english 'heroic' verse of ten syllables.

Parameter: A model is a combination of variables, such as GDP growth, and coefficients which multiply these variables. The coefficients are often estimated from the data. The coefficients are called parameters.

Personal People Meter (PPM): Hardware currently being tested by Arbitron. The PPM is a pager-sized device that is worn by consumers throughout the day to automatically detect inaudible codes that radio and television br . . . View Full Definition

Perimeter: The area beyond the foul circle away from the basket, including 3-point line, from which players take long-range shots.

Picometer: One picometer is 10-12 meters.