معنی فارسی envelope

A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

Something that envelops; a wrapping.

A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.

A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.

A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.

The shape of a sound, which may be controlled by a synthesizer or sampler.

The information used for routing a message that is transmitted with the message but not part of its contents.

An enclosing structure or cover, such as a membrane; a space between two membranes

The set of limitations within which a technological system can perform safely and effectively.

The nebulous covering of the head or nucleus of a comet; a coma.

An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

به یک پاکت نیاز دارم تا این نامه را بفرستم.

او قبل از ارسال پاکت را مهر و موم کرد.