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1 definition found
for Isometric lines
From The Collaborative International Dictionary of English v.0.48 :
Isometric \I`so*met"ric\, Isometrical \I`so*met"ric*al\, a.
[Iso- + Gr. me`tron measure.]
1. Pertaining to, or characterized by, equality of measure.
2. (Crystallog.) Noting, or conforming to, that system of
crystallization in which the three axes are of equal
length and at right angles to each other; monometric;
regular; cubic. Cf. Crystallization.
3. Of or pertaining to isometrics.
Isometric lines (Thermodynamics), lines representing in a
diagram the relations of pressure and temperature in a
gas, when the volume remains constant.
Isometrical perspective. See under Perspective.
Isometrical projection, a species of orthographic
projection, in which but a single plane of projection is
used. It is so named from the fact that the projections of
three equal lines, parallel respectively to three
rectangular axes, are equal to one another. This kind of
projection is principally used in delineating buildings or
machinery, in which the principal lines are parallel to
three rectangular axes, and the principal planes are
parallel to three rectangular planes passing through the
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