ქიმიის ტერმინთა განმარტებითი ლექსიკონი

Non-uniform molecular alignment that cannot be transformed into a uniform alignment without creating other defects.

Note 1: Dislocations and disclinations are major types of defects in liquid crystals.

Note 2: Three elementary types of defects may be distinguished in liquid crystals. They are point, line and wall defects.

Note 3: A discontinuity in the structure (or in the mathematical function describing the structure) is considered as a singularity; in many cases a defect can be regarded as a singularity