Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber.
What is the definition of 'matriculate'? The definition of matriculate is to be enrolled at university or college. It also describes a person who has matriculated, and other similar words include enroll and register. â¦ Answers Publisher
Definition of capricious for English Language Learners. : 1  changing often and quickly; especially : often changing suddenly in mood or behavior. : 2  not logical or reasonable : based on an idea, desire, etc., that is not possible to predict.