Define frustration: the act of frustrating; the state or an instance of being frustrated â frustration in a sentence the act of frustrating; the state or an instance of being frustratedâ¦ See the full definition
The definition of a blot is a spot or stain, whether physical or on a person's character. An example of a blot is an ink stain on a shirt. Blot means to dry, soak up or remove. An example of to blot is to wipe up tipped over milk with a paper towel.
lines of Blaschko. Definition: a pattern of distribution of skin lesions or pigmentary anomalies; linear on the extremities, S-shaped curves on the abdomen, and V-shaped on the back; thought to result from genetic mosaicism (q.v.) and the interplay of transverse clonal proliferation and longitudinal growth and flexion of the embryo.