noun🔗Shareفتحة، شق، ثقبAn opening, gap, or hole, usually small and narrow"an aperture in a wall"فتحة في الحائط.gapparttechnologydevicephysicsChat with AIVocabulary GamePractice Reading
noun🔗ShareفتحةSomething 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. "تحكمت فتحة الكاميرا في كمية الضوء التي تدخل إلى العدسة، مما أثر على سطوع الصورة.technologyphysicsdeviceChat with AIVocabulary GamePractice Reading
noun🔗Shareفتحة، قطرThe 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."يحتوي هذا التلسكوب على فتحة بقطر 100 سم.astronomyphysicstechnologyscienceChat with AIVocabulary GamePractice Reading
noun🔗Shareهوائي، لاقط(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. "سمحت اللاقطة الكبيرة، بفتحتها الكبيرة، لمحطة التلفزيون باستقبال إشارة قوية من القمر الصناعي للاتصالات.technologycommunicationelectronicsspaceastronomysignaldevicemachinesystemChat with AIVocabulary GamePractice Reading
noun🔗Shareزاوية الفتح(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."إذا صنعت الراسمة زاوية θ مع المحور، فإن زاوية الفتح هي 2θ.mathtechnicalphysicsChat with AIVocabulary GamePractice Reading
