envelop and envelope - the difference
The Quick AnswerTo envelop means to surround or to enclose.
An envelope is a flat paper container with a sealable flap, used to enclose a document.
EnvelopThe verb envelop can mean to surround, to enclose, to cover up, to conceal or — in military circles — to conduct a flanking manoeuvre. The verb used to be spelt with an e on the end, and this likely contributes to people confusing it with envelope. In the past tense, the e reappears (e.g., The German division enveloped the town.)
"the bridge was enveloped by fog"
- Every year, an eerie mist envelops the hotel on the anniversary of his gruesome murder.
EnvelopeAn envelope denotes a flat package (usually made of paper) that is designed to hold papers (e.g., letters, cards). Envelope is also used to describe the limits of a system's operating capability (e.g., An altitude of 10,000 feet is the top of the aircraft's envelope.)
a selection of envelopes
- In June's test flights, the speed and altitude envelope was progressively expanded from the previously flown 170 knots and 12,000 feet.