Pesquisar
Envelope
02
envelope
any wrapper or covering
03
envelope
the bag containing the gas in a balloon
04
envelope
the maximum operating capability of a system (especially an aircraft)
05
envelope
a natural covering (as by a fluid)
06
envelope
a curve that is tangent to each of a family of curves
Exemplo
The envelope contained a surprise birthday card.
She found an old envelope with photos in it.
She handed me an envelope with a note inside.
He wrote the address on the envelope.
I need to buy some envelopes for my Christmas cards.