noun🔗ShareEnveloppeA paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing."My sister put the letter in an envelope and took it to the mailbox. "Ma sœur a mis la lettre dans une enveloppe et l'a portée à la boîte aux lettres.stationerycommunicationChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeSomething that envelops; a wrapping."The letter was carefully placed inside the envelope. "La lettre a été soigneusement placée à l'intérieur de l'enveloppe.stationerymaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeA bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship."The hot air balloonist carefully inspected the envelope for any tears before filling it with hot air. "Le balloniste a soigneusement inspecté l'enveloppe pour détecter d'éventuelles déchirures avant de la remplir d'air chaud.vehicleparttechnologynauticalChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeA mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects."The engineer used the envelope of possible flight paths to determine the safest trajectory for the rocket. "L'ingénieur a utilisé l'enveloppe des trajectoires de vol possibles pour déterminer la trajectoire la plus sûre pour la fusée.mathsciencetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeA curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics."The technician carefully measured the envelope of the radio signal to ensure proper transmission. "Le technicien a soigneusement mesuré l'enveloppe du signal radio pour assurer une transmission correcte.electronicstechnologysignalphysicsmathChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppe sonoreThe shape of a sound, which may be controlled by a synthesizer or sampler."The musician carefully shaped the sound of the trumpet using a synthesizer to create a specific envelope. "Le musicien a soigneusement façonné le son de la trompette à l'aide d'un synthétiseur pour créer une enveloppe spécifique.musicsoundtechnologyelectronicssignalChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeThe information used for routing a message that is transmitted with the message but not part of its contents."The envelope on the letter contained the address, but not the actual letter itself. "L'enveloppe sur la lettre contenait l'adresse, mais pas la lettre elle-même.technologycomputingcommunicationinternettechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppeAn enclosing structure or cover, such as a membrane; a space between two membranes"The onion's outer layer is a tough envelope protecting the delicate inner parts. "La couche externe de l'oignon est une enveloppe résistante qui protège les parties internes délicates.materialstructurestationerywritingChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppe, limitesThe set of limitations within which a technological system can perform safely and effectively."The new software program has a narrow envelope of acceptable temperatures for optimal performance. "Le nouveau logiciel a une enveloppe étroite de températures acceptables pour une performance optimale.technologytechnicalsystemrangeChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppe, chevelureThe nebulous covering of the head or nucleus of a comet; a coma."The comet's envelope was a bright, fuzzy cloud of gas and dust. "L'enveloppe de la comète était un nuage brillant et flou de gaz et de poussière.astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareEnveloppe, enceinteAn earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it."The soldiers built an envelope around the village to protect it from enemy attack. "Les soldats ont construit une enceinte autour du village pour le protéger des attaques ennemies.militaryarchitectureChat with AIVocabulary GamePractice Reading
verb🔗ShareEnvelopper, entourerTo surround or enclose."The thick cardboard box enveloped the fragile glassware, protecting it from damage during shipping. "La boîte en carton épaisse enveloppait la verrerie fragile, la protégeant des dommages pendant l'expédition.areaenvironmentChat with AIVocabulary GamePractice Reading