Of or relating to three unequal crystal axes, two of which intersect obliquely and are perpendicular to the third.
Relating to a crystal having three axes of different lengths. Two of the axes are at oblique angles to each other, and the third axis is perpendicular to the plane that is made by the other two. The mineral gypsum has monoclinic crystals.
Origin of monoclinic
- mono- +"Ž clinic