noun🔗ShareUmschlagA 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. "Meine Schwester steckte den Brief in einen Umschlag und brachte ihn zum Briefkasten.stationerycommunicationChat with AIVocabulary GamePractice Reading
noun🔗ShareUmschlag, HülleSomething that envelops; a wrapping."The letter was carefully placed inside the envelope. "Der Brief wurde sorgfältig in den Umschlag gelegt.stationerymaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareHülle, BallonhülleA 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. "Der Heißluftballonfahrer inspizierte die Hülle sorgfältig auf Risse, bevor er sie mit heißer Luft füllte.vehicleparttechnologynauticalChat with AIVocabulary GamePractice Reading
noun🔗ShareEinhüllendeA 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. "Der Ingenieur verwendete die Einhüllende möglicher Flugbahnen, um die sicherste Flugbahn für die Rakete zu bestimmen.mathsciencetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareHüllkurveA 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. "Der Techniker maß sorgfältig die Hüllkurve des Funksignals, um eine ordnungsgemäße Übertragung sicherzustellen.electronicstechnologysignalphysicsmathChat with AIVocabulary GamePractice Reading
noun🔗ShareKlangform, HüllkurveThe 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. "Der Musiker formte den Klang der Trompete sorgfältig mit einem Synthesizer, um eine bestimmte Hüllkurve zu erzeugen.musicsoundtechnologyelectronicssignalChat with AIVocabulary GamePractice Reading
noun🔗ShareUmschlag, HülleThe 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. "Der Umschlag auf dem Brief enthielt die Adresse, aber nicht den eigentlichen Brief.technologycomputingcommunicationinternettechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareHülle, UmhüllungAn 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. "Die äußere Schicht der Zwiebel ist eine zähe Hülle, die die empfindlichen inneren Teile schützt.materialstructurestationerywritingChat with AIVocabulary GamePractice Reading
noun🔗ShareRahmen, BereichThe 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. "Das neue Softwareprogramm hat einen engen Bereich akzeptabler Temperaturen für optimale Leistung.technologytechnicalsystemrangeChat with AIVocabulary GamePractice Reading
noun🔗ShareHülle, KomaThe 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. "Die Hülle des Kometen war eine helle, verschwommene Wolke aus Gas und Staub.astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareUmschlag, EinfassungAn 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. "Die Soldaten bauten eine Einfassung um das Dorf, um es vor feindlichen Angriffen zu schützen.militaryarchitectureChat with AIVocabulary GamePractice Reading
verb🔗ShareUmhüllen, einhüllenTo surround or enclose."The thick cardboard box enveloped the fragile glassware, protecting it from damage during shipping. "Der dicke Karton umhüllte das zerbrechliche Glas, um es während des Versands vor Beschädigungen zu schützen.areaenvironmentChat with AIVocabulary GamePractice Reading