Extraterrestrial life forms are referred to as aliens. It is widely believed that silicon and ammonia could provide a basis for extraterrestrial life. Silicon-based Life: Many scientists do not accept the argument of silicon-based life.Both carbon and silicon form long chains of polymers.Carbon can form methane whereas silicon can form silane.mmonia-based Life: An ammonia solution could cause numerous chemical reactions and liquid ammonia is said to have chemical similarities with water. Ammonia not only dissolves organic molecules but also elemental metals.
Definition of 'reprimand'. reprimand (reprÉªmÉËnd , -mÃ¦nd) If someone is reprimanded, they are spoken to angrily or seriously for doing something wrong, usually by a person in authority. He was reprimanded by a teacher for talking in the corridor. Her attempts to reprimand him were quickly shouted down.
a severe reproof or rebuke, especially a formal one by a person in authority. verb (used with object) 2. to reprove or rebuke severely, especially in a formal way. Origin of reprimand.