Anorthic: alternatives and connections

One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes.

Not isometric; having unsymmetrical parts; -- said of crystals with three unequal axes.

Not isotropic; having different properties in different directions; thus, crystals of the isometric system are optically isotropic, bu…

A variety of jade. It is used by some savages, particularly the natives of the South Sea Islands, for making axes or hatchets.

A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfa…

Having two axes; as, biaxial polarization.

The line bisecting the angle between the optic axes of a biaxial crystal.

Pertaining to the oblique crystalline forms, or to solids which have oblique angles between the axes; as, the clinometric systems.

The plane in crystals of the monoclinic system which is parallel to the vertical and the inclined lateral (clinidiagonal) axes.

To render parallel to a certain line or direction; to bring into the same line, as the axes of telescopes, etc.; to render parallel, a…

Presenting themselves simultaneously and having reciprocal properties; -- frequently used in pure and applied mathematics with referen…

Lines, or other elements of reference, by means of which the position of any point, as of a curve, is defined with respect to certain…

Two rotations, movements, etc., which are equal in amount but opposite in direction, and acting along parallel lines or around paralle…

A pipe-fitting with four branches the axes of which usually form's right angle.

The property of presenting different colors by transmitted light, when viewed in two different directions, the colors being unlike in…

Having two of the intersections between the three axes oblique. See Crystallization.

An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of…

An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each other, one of them parallel t…