The point on the celestial sphere directly above an observer, or the highest point in the sky reached by a celestial body.

Found on http://www.encyclo.co.uk/visitor-contributions.php

The point on the celestial sphere directly above the observer. Opposite the nadir.

Found on http://www.encyclo.co.uk/visitor-contributions.php

*[LG]* = September 10 = == Weaker variant of Schur for sum of two = irreducibles: two eigenvalues? == Hello, I was considering endomorphisms of mathbb{C} G- modules, and something funny happened with the eigenvalues. I was wondering if this were true: If V is the mathbb{C} G-module V with V=A+B, with A and B two isomorphic irreducible modules...

Found on http://en.wikipedia.org/wiki/Zenith_(LG)

[

*n]* - the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

Found on http://www.webdictionary.co.uk/definition.php?query=zenith

see midheaven.

Found on http://www.encyclo.co.uk/local/20417

The point on the celestial sphere that lies directly overhead an observer, exactly 90 degrees away from every part of the observer's horizon.

Found on http://www.encyclo.co.uk/local/20448

The zenith is the point in the sky directly above an observer's head. This term is often used in astronomy

Found on http://www.users.zetnet.co.uk/computing/MainPage/SecDepts/Physics/Resources

Parameter of tape head alignment relating to whether or not the head is perpendicular to the tape path, and aligned so as to be in the same plane.

Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

Point in the Sky that is directly overhead. The direction to the zenith is perpendicular to the astronomical horizon. The point 180 degrees from the zenith is called the nadir. See also: Nadir, Zenithal.

Found on http://www.diracdelta.co.uk/science/source/z/e/zenith/source.html

**Ze'nith** * noun* [ Middle English

* senyth* , Old French

* cenith* , French

* zénith* , Spanish

* zenit* ,

* cenit* , abbrev. from Arabic

* samt-urras* way of the head, vertical place;

* samt* way, path +

* al* the +

* ras* head. Confer

__ Azimuth__ .]

** 1.**...

Found on http://www.encyclo.co.uk/webster/Z/2

1. That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; opposed to nadir. 'From morn To noon he fell, from noon to dewy eve, A summer's day; and with the setting sun Dropped from the zenith, like a falling star.' (Milton) ... 2. Hence, figuratively, the point of culmination; ...

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• (n.) hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity. • (n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.

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point on the celestial sphere directly above an observer on the Earth. The point 180° opposite the zenith, directly underfoot, is the nadir. ...

Found on http://www.britannica.com/eb/a-z/z/5

is the point on the sky that is directly overhead, from the perspective of a particular location on the Earth.

Found on http://en.wikipedia.org/wiki/Glossary_of_astronomy

The point on the celestial sphere directly above an observer; it is the the opposite of nadir. The zenith angle is the angle between the overhead point for an observer and an object such as the Sun. The solar zenith angle is zero if the Sun is directly overhead and is 90° when the Sun is on the ...

Found on http://www.daviddarling.info/encyclopedia/Z/zenith.html

zenith, in astronomy, the point in the sky directly overhead; more precisely, it is the point at which the celestial sphere is intersected by an upward extension of a plumb line from the observer's location. Its position in the sky thus depends on the direction of the earth's gravitational field at ...

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Uppermost point of the sky, immediately above the observer; the nadir is below, diametrically opposite. See celestial sphere

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Point in the heavens directly above a particular location on the Earth`s surface

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The point with a ninety degree inclination in relation to the observer, or the point directly above them.

Found on http://www.moonconnection.com/moon-glossary.phtml

The zenith is an imaginary point directly `above` a particular location, on the imaginary celestial sphere. `Above` means in the vertical direction opposite to the apparent gravitational force at that location. The opposite direction, i.e. the direction in which gravity pulls, is toward the nadir. Zenith may be used as a name which means succe...

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A point directly overhead from an observer.

Found on http://www.seasky.org/astronomy/astronomy-glossary.html

the point above the observer directly opposite the nadir

Found on https://www.vocabulary.com/lists/675552

the point above the observer directly opposite the nadir

Found on https://www.vocabulary.com/lists/52473

The point in the sky directly overhead. The pole of the Horizon.

Found on http://black-bart.co.uk/html/pirate_glossary.html

The point on the celestial sphere directly above the observer. Opposite the nadir.

Found on http://www.braeunig.us/space/glossary.htm

**No exact match found**