triple point

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triple point

n.
The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states. The triple point of pure water is at 0.01 degrees Celsius and 4.58 millimeters of mercury and is used to calibrate thermometers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

triple point

n
(Chemistry) chem the temperature and pressure at which the three phases of a substance are in equilibrium. The triple point of water, 273.16 K at a pressure of 611.2 Pa, is the basis of the definition of the kelvin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri′ple point′



n.
the particular temperature and pressure at which the solid, liquid, and gaseous phases of a given substance are all at equilibrium with one another.
[1870–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

triple point

The intersection of the incident, reflected, and fused (or Mach) shock fronts accompanying an air burst. The height of the triple point above the surface, i.e., the height of the Mach stem, increases with increasing distance from a given explosion.
Dictionary of Military and Associated Terms. US Department of Defense 2005.

triple point

The conditions of temperature and pressure at which the three phases of a substance (solid, liquid, and gas) are in equilibrium.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
where the temperature variable is defined by [tau] = 1 - T/[T.sub.t], and the triple-point temperature [T.sub.t] is 273.16 K.
But the Satelis uses a more sophisticated triple-point linkage to mount the lot, and it works well with the compliant, wellcontrolled suspension and large wheels.
The reason is that the C[O.sub.2] triple-point pressure of 0.52 MPa (75 lbf x [in..sup.-2]) lies between the system pressure and the atmospheric pressure of 0.101325 MPa (15 lbf x [in..sup.2]).
Solid C[O.sub.2] will be formed when the pressure is dropped down to the triple-point pressure.
The blade is a non-reflective bead blast finished AUS 6M stainless steel, that has combined razor-sharp and Triple-Point serrated edges.
With compatriot Keith Bunyan also flying high in the BBL's triple-point charts and comeback kid Phil Perre hitting top formagain, Campbell reckons the Record-backed Rocks are ready to bite back at the Sharks.
Within a single experiment, the shear rate range can be extended by using different die-orifice diameters, or the formerly time-consuming triple-point Bagley-correction can be performed in one experiment using a set of capillaries with the same orifice diameter but different lengths.
The e-[H.sub.2] triple-point cell is used also for realizing the e-[H.sub.2] vapor-pressure points at T [approximately equal to] 17.035 K and at T [approximately equal to] 20.27 K for calibrating CSPRTs.
But the 323 GSi is wonderfully equipped with air conditioning, an electric glass tilt and slide sunroof, electric mirrors, electric windows at the front, remote control central locking, twin front air bags and three triple-point rear seatbelts all as standard.
Among many safety features included in the package are twin airbags and three triple-point safety belts in the rear.