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  1. Octant (solid geometry) - Wikipedia

    An octant in solid geometry is one of the eight divisions of a Euclidean three-dimensional coordinate system defined by the signs of the coordinates. It is analogous to the two-dimensional quadrant and …

  2. Octants Definition - Multivariable Calculus Key Term | Fiveable

    Octants are the eight distinct regions created by dividing three-dimensional space using the coordinate axes. Each octant represents a unique combination of positive and negative values for the x, y, and z …

  3. Terminology and notation

    In 3-dimensional space, the coordinate planes break space into eight regions, called octants. The first octant is the region where $x \ge 0$, $y \ge 0$ and $z \ge 0$. Unlike in the plane, there is no …

  4. Octant in 3D Geometry: Definition, Sign Conventions, Representation ...

    Learn what an octant is in 3D geometry with clear definitions, sign conventions, visual representation, and solved examples. Understand how to identify points in different octants easily.

  5. Octant -- from Wolfram MathWorld

    5 days ago · One of the eight regions of space defined by the eight possible combinations of signs (+/-,+/-,+/-) for x, y, and z.

  6. OCTANT Definition & Meaning - Merriam-Webster

    The meaning of OCTANT is an instrument for observing altitudes of a celestial body from a moving ship or aircraft.

  7. What are the 8 octants of the coordinate system? - StudyCountry.com

    There are eight octants in a three-dimensional coordinate system. In a three-dimensional coordinate system, the x-axis, y-axis, and z-axis create three intersecting planes.

  8. Octant: Definition, Examples & Quiz | UltimateLexicon.com

    Sep 21, 2025 · Explore the term 'octant,' its meaning, historical background, and applications. Learn how octants are used in navigation and geometry, their significance, and much more.

  9. Octant - All Math Words

    Octant Pronunciation: /ˈɒkt.ənt/ Explain An octant is one of the eight regions into which a three dimensional rectangular coordinate system is divided by the x, y, and z planes. The octant where x, y …

  10. octant - Wiktionary, the free dictionary

    Nov 1, 2025 · From Latin octāns. Doublet of Octans. The eighth part of a circle; an arc of 45 degrees. (astrology) The aspect of two planets that are 45°, or one-eighth of a circle, apart. (geometry) The …