What does the term closed?
adjective. having or forming a boundary or barrier: He was blocked by a closed door. The house had a closed porch. brought to a close; concluded: It was a closed incident with no repercussions. not public; restricted; exclusive: a closed meeting;a closed bid at a private auction.
What does closed form mean in English?
Noun. closed form (countable and uncountable, plural closed forms) (mathematics) A form (expression) that does not use limits, implicitly or explicitly. There is no known representation of π in closed form: each expression for it includes an integral, an infinite series, or an infinite continued fraction.
What is close and closed?
As a verb to close means to shut. For example: At the beginning of the performance the ushers close all the doors. Closed is an adjective that means not open. For example: The doors were closed.