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“axis”
axis
The second vertebra of the neck and the center of rotation.
This entry is located in the following unit:
Dog or Canine Terms +
(page 2)
An imaginary or theoretical line around the middle of something: A planet rotates, turns, or spins around its own axis.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 4)
Word Entries containing the term:
“axis”
one-axis tracking
A system capable of rotating about one axis.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 14)
semi-major axis
1. Half the length of the major axis of an ellipse; a standard element used to describe an elliptical orbit.
2. Half of the larger diameter of an ellipse.
Half of the smaller diameter is the semi-minor axis.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 23)
two-axis tracking
A photovoltaic array tracking system capable of rotating independently about two axes; for example, vertical and horizontal.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 22)