rhombohedral

As an adjective rhombohedral

is (crystallography) having three equal axes and oblique angles.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As adjectives the difference between tetrahedral and rhombohedral

is that tetrahedral is in the shape of a tetrahedron while rhombohedral is (crystallography) having three equal axes and oblique angles.

As adjectives the difference between rhombohedral and false

is that rhombohedral is (crystallography) having three equal axes and oblique angles while false is (label) one of two states of a boolean variable; logic.

As an adjective rhombohedral

is (crystallography) having three equal axes and oblique angles.

As a noun null is

zero, nil; the cardinal number before einn.

As an adjective rhombohedral

is having three equal axes and oblique angles.

As a noun rhombohedra is

plural of rhombohedron.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective rhombohedral is

(crystallography) having three equal axes and oblique angles.

As an adjective rhombohedral

is (crystallography) having three equal axes and oblique angles.

As a noun scalenohedron is

a rhombohedral polyhedron having twelve sides, each in the form of a scalene triangle.

As an adjective rhombohedral

is (crystallography) having three equal axes and oblique angles.

As a noun paratacamite is

(mineralogy) a rhombohedral form of basic copper chloride that is dimorphous with tacamite.

As adjectives the difference between rhombohedral and pseudorhombohedral

is that rhombohedral is having three equal axes and oblique angles while pseudorhombohedral is having the external appearance of being rhombohedral.