Meaning of Envelope

English: Envelope
Bangla: খাম, লেফাফা, মোড়ক, আচ্ছাদন
Hindi: लिफाफा, आवरण, वेष्टन
Type: Unknown / অজানা / अज्ञात

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Bangla Academy Dictionary:

Definition: 1

a flat paper container, as for a letter or thin package, usually having a gummed flap or other means of closure.

Definition: 2

something that envelops; a wrapper, integument, or surrounding cover.

Definition: 3

Biology. a surrounding or enclosing structure, as a corolla or an outer membrane.

Definition: 4

Geometry. a curve or surface tangent to each member of a set of curves or surfaces.

Definition: 5

Radio. (of a modulated carrier wave) a curve connecting the peaks of a graph of the instantaneous value of the electric or magnetic component of the carrier wave as a function of time.