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principal axis

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
principal axis [′prin·sə·pəl ′ak·səs]
(crystallography)
The longest axis in a crystal.
(engineering acoustics)
A reference direction for angular coordinates used in describing the directional characteristics of a transducer; it is usually an axis of structural symmetry or the direction of maximum response.
(mathematics)
One of a set of perpendicular axes such that a quadratic function can be written as a sum of squares of coordinates referred to these axes.
For a conic, a straight line that passes through the midpoints of all the chords perpendicular to it.
For a quadric surface, the intersection of two principal planes.
(mechanics)
One of three perpendicular axes in a rigid body such that the products of inertia about any two of them vanish.
(optics)
optic axis


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Organizers said more than 200 workers' groups were backing a mass main protest march down the principal axis of Mexico City, to end up at the capital's giant Zocalo square.
Mexico braces for power company protests by AFP / AFP Global Edition
The correlation matrix so obtained was factor analyzed by using Principal Axis Method.
Cognitive and non-cognitive characteristics as determinants of ... by Khan, Zebun Nisa / Journal of Social Sciences
The respondent ratings were subject to principal axis factoring with varimax rotation to reduce potential multicollinearity among the items and to improve reliability on the data.
The power of sun: an empirical study on the rural consumer buying ... by Shukre, Anagha / Abhigyan
 
 
 
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