# inclination

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## inclination,

in astronomy, the angle of intersection between two planes, one of which is an orbital plane. The inclination of the plane of the moon's orbit is 5°9' with respect to the plane of the ecliptic (the plane of the earth's orbit around the sun). The inclination of the plane of the ecliptic relative to the plane of the earth's equator is 23°27'8.26"; this angle is called the obliquity of the ecliptic.

## inclination

1. Symbol: i . The angle between the orbital plane of a celestial body and a reference plane. For a planet or comet the reference plane is the plane of the ecliptic, for a satellite it is the primary's equatorial plane, and for a double star it is the plane of the sky. Inclination is one of the orbital elements and varies between 0 and 180°, being less than 90° for a body with direct motion.
2. (axial inclination) The angle between the rotational axis of a body and a line perpendicular to its orbital plane. See also Tables 1–3, backmatter.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

## Inclination

(religion, spiritualism, and occult)

An inclination is the angle at which two planes cross. In astrology, it is used to refer to the movement of a celestial body to a position other than the one occupied at birth.

## inclination

[‚iŋ·klə′nā·shən]
(geology)
The angle at which a geological body or surface deviates from the horizontal or vertical; often used synonymously with dip.
(geophysics)
In magnetic inclination, the dip angle of the earth's magnetic field. Also known as magnetic dip.
(mathematics)
The inclination of a line in a plane is the angle made with the positive x axis.
The inclination of a line in space with respect to a plane is the smaller angle the line makes with its orthogonal projection in the plane.
The inclination of a plane with respect to a given plane is the smaller of the dihedral angles which it makes with the given plane.
(science and technology)
Angular deviation of a direction or surface from the true vertical or horizontal.
The angle which a direction or surface makes with the vertical or horizontal.
A surface which deviates from the vertical or horizontal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

## inclination

The angle which a line or surface makes with the vertical, horizontal, or with another line or surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

## inclination

As it pertains to meteorology, the angle between an isobar and the wind or airflow at a given point.

## inclination

1. Maths
a. the angle between a line on a graph and the positive limb of the x-axis
b. the smaller dihedral angle between one plane and another
2. Astronomy the angle between the plane of the orbit of a planet or comet and another plane, usually that of the ecliptic
3. Physics another name for dip
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
For proper diagnosis and treatment planning in orthodontics, thorough knowledge of both skeletal and dental components in all 3 dimensions: sagittal, vertical and transverse, is essential.1 Among several parameters that are considered during orthodontic treatment planning, maxillary incisor inclination is of prime importance due to its profound effect on smile esthetics.2,3 Maxillary and mandibular incisors position and inclination influence the upper and lower lip positions.4-6 Mandibular incisor inclination is also important because their excessive proclination may result in gingival recession, bony dehiscence7-9 and/or post-treatment relapse.2,3
Several tools have been used for assessing the inclination of teeth: Cephalometric angular measurements, conveyor and compass on dental casts, etc.
In this study, KP4 steel, a non-thermal treated material among plastic mold steels, was machined at inclinations of 15[degrees], 30[degrees] and 45[degrees], using [PHI]8mm carbide ball end-mill with one to four layers of AlTiN coating, to examine cutting component forces and surface roughness according to the number of coating layers.
The ordinary cusp inclinations of posterior teeth are 30[degrees] and 20[degrees], and 0[degrees] refers to the labial surface of the anterior teeth.
LCOA progression due to an altered stress pattern in the cartilage has been described in the literature.[7] Wear of lateral compartment has been attributed to abnormal cartilage stress, which can be strongly related with the postoperative lower limb alignment.[8],[9] In addition, the tibial component inclination may affect the contact stress and load percentage in the lateral compartment.[10],[11] Numerous finite element (FE) analyses of UKA have already advised on the postoperative lower limb alignment and inclination of the tibial component, but their results vary.[10],[12],[13] The aim of this study was to analyze the influence of the postoperative lower limb alignment and the tibial component coronal inclination on static knee biomechanics after mobile-bearing UKA using FE analysis.
The slope (flatness or steepness) of the posterior wall of the articular eminence and its inclination determine the condylar path, which leads the mandible in its movements(7,11).
They reported that the inclination angle has a strong effect on the heat transfer performance of heat pipes using both water and the nana fluid.
Further research has shown that the physiological responses during climbing have varied with the length and style of the ascent [15, 16], the speed and direction of the movement [17, 18], the inclination and the surface of the climbing holds, and the overall difficulty of the ascent [1,18-20].
If tonnage increases, the hydraulic system automatically decreases the angle of inclination, which decreases material retention, until the proper tonnage is detected.
(10) Passions are a kind of desire--namely, a habitual desire or an inclination (11)--that, Kant says, "can be conquered only with difficulty or not at all by the subject's reason." (12) Passions do permit reflection, unlike affects; but they prevent one from reflecting well by comparing them with other inclinations or with the sum of all inclinations.
The control set (10) is a separate plummet, which allows to perform control of inclinations of the particular plummets of the basic set (9) according to the formula 1:

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