envelope

• Invólucro plano, geralmente retangular e de papel, usado para guardar e enviar cartas ou documentos pelo correio; também qualquer cobertura, revestimento ou camada externa que envolve algo.

A flat, usually rectangular paper container used for enclosing a letter or document for mailing.

1. Paper container for lettersA2formal

   A flat, usually rectangular paper container used to enclose a letter or document for mailing.

   Envelope

   • She sealed the letter in an envelope.
   • Please write the address clearly on the envelope.
   • He tore open the envelope to read the invitation.

   Sinônimoscoverwrapper

2. Something that surrounds or enclosesB2formal

   A covering or container that surrounds something.

   Envoltório

   • The gas envelope around the planet is very thin.
   • The building is protected by a glass envelope.
   • The envelope of air around the Earth is called the atmosphere.

   Sinônimoscasingcloakcoatingcontainercoveringhousingsheathshellshroudsurroundveilwrapper

   Antônimoscontentcoreinterior