noun🔗ShareÖffnung, Spalt, LochAn opening, gap, or hole, usually small and narrow"an aperture in a wall"Eine Öffnung in einer Mauer.gapparttechnologydevicephysicsChat with AIVocabulary GamePractice Reading
noun🔗ShareBlende, ÖffnungSomething which restricts the diameter of the light path through one plane in an optical system."The camera's aperture controlled how much light entered the lens, affecting the brightness of the photograph. "Die Blende der Kamera steuerte, wie viel Licht in das Objektiv gelangte, was sich auf die Helligkeit des Fotos auswirkte.technologyphysicsdeviceChat with AIVocabulary GamePractice Reading
noun🔗ShareÖffnung, DurchmesserThe diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens."This telescope has a 100cm aperture."Dieses Teleskop hat eine Öffnung von 100 cm.astronomyphysicstechnologyscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareAntenne, Empfangsantenne(communications) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array."The satellite dish, with its large aperture, allowed the television station to receive a strong signal from the communication satellite. "Die Satellitenschüssel mit ihrer großen Antenne ermöglichte es dem Fernsehsender, ein starkes Signal vom Kommunikationssatelliten zu empfangen.technologycommunicationelectronicsspaceastronomysignaldevicemachinesystemChat with AIVocabulary GamePractice Reading
noun🔗ShareÖffnungswinkel(of a right circular cone) The maximum angle between the two generatrices."If the generatrix makes an angle θ to the axis, then the aperture is 2θ."Wenn die Mantellinie einen Winkel θ zur Achse bildet, dann beträgt der Öffnungswinkel 2θ.mathtechnicalphysicsChat with AIVocabulary GamePractice Reading
