P-wave
noun Etymology: by shortening Date: 1929 pressure wave

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • P wave — n. [p(ressure) wave] a longitudinal wave that advances by alternate compression and expansion in a solid or fluid medium, like a sound wave …   English World dictionary

  • p-wave — p wave; P wave; …   English syllables

  • P wave — pē .wāv n a deflection in an electrocardiographic tracing that represents atrial activity of the heart compare QRS COMPLEX, T WAVE * * * in the electrocardiogram, the initial deflection of the cardiac cycle, representing excitation of the atria.… …   Medical dictionary

  • p wave — 1908 in geology, the p representing PRIMARY (Cf. primary) …   Etymology dictionary

  • P-wave — This article is on the type of seismic wave. For the term used in electrocardiography, see P wave (electrocardiography). P wave can also refer to a type of electronic wavefunction in atomic physics; see atomic orbital. Plane P wave …   Wikipedia

  • p wave — noun see p wave 2 * * * a longitudinal earthquake wave that travels through the interior of the earth and is usually the first conspicuous wave to be recorded by a seismograph. Also called primary wave. Cf. L wave, S wave. [1935 40] * * * P wave …   Useful english dictionary

  • p-wave — ˈ ̷ ̷ˌ ̷ ̷ noun Usage: usually capitalized P 1. : pressure wave 2. usually p wave : a deflection in an electrocardiographic tracing that represents auricular activity of the heart compare t wave …   Useful english dictionary

  • P wave — a longitudinal earthquake wave that travels through the interior of the earth and is usually the first conspicuous wave to be recorded by a seismograph. Also called primary wave. Cf. L wave, S wave. [1935 40] * * * …   Universalium

  • P-wave — noun An elastic, compressional wave, such as that produced by an earthquake. Movement is longitudinal Syn: seismic wave …   Wiktionary

  • P-wave —   a seismic wave released during an earthquake which travels in a collision fashion and can thus travel through gases, liquids and solids …   Geography glossary

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