noun🔗Shareفتحات، ثقوبAn opening, gap, or hole, usually small and narrow"an aperture in a wall"فتحة في الحائط.partgaparchitecturespacetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareفتحةSomething which restricts the diameter of the light path through one plane in an optical system."The camera's different apertures control how much light reaches the sensor, affecting the brightness and depth of field in the picture. "تتحكم فتحات الكاميرا المختلفة في كمية الضوء التي تصل إلى المستشعر، مما يؤثر على السطوع وعمق المجال في الصورة.physicstechnologydevicescienceChat 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.physicsastronomytechnicalsciencedevicesystemChat with AIVocabulary GamePractice Reading
noun🔗Shareفتحات، هوائيات(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 communication satellite used for the global television broadcasts has large apertures to receive and transmit signals clearly. "يحتوي القمر الصناعي للاتصالات المستخدم للبث التلفزيوني العالمي على هوائيات كبيرة لاستقبال وإرسال الإشارات بوضوح.technologycommunicationelectronicsspaceastronomysignaldevicemachineenergyphysicsChat with AIVocabulary GamePractice Reading
noun🔗Shareالزاوية القصوى(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 الزاوية القصوى هي 2θ.mathChat with AIVocabulary GamePractice Reading
