noun🔗ShareIrisA plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant))."My grandmother loves to paint the irises that bloom in her garden every spring. "A mi abuela le encanta pintar los iris que florecen en su jardín cada primavera.plantnaturebiologyenvironmentagricultureChat with AIVocabulary GamePractice Reading
noun🔗ShareIrisThe contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy))."The doctor used a bright light to examine the patient's irises, checking how they responded to changes in brightness. "El médico usó una luz brillante para examinar los iris del paciente, comprobando cómo respondían a los cambios de brillo.anatomyorganbodyphysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareDiafragma, irisA diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens."The photographer adjusted the camera's irises to let in more light for the indoor shot. "El fotógrafo ajustó los diafragmas de la cámara para dejar entrar más luz para la toma en interiores.technologydevicemachinepartChat with AIVocabulary GamePractice Reading
noun🔗ShareArcoíris, refracción colorida de la luzA rainbow, or other colourful refraction of light."After the rain, irises appeared on the mist, as the sun shone through the water droplets. "Después de la lluvia, aparecieron arcoíris en la niebla, mientras el sol brillaba a través de las gotas de agua.phenomenaphysicsnaturecolorChat with AIVocabulary GamePractice Reading
noun🔗ShareAberturas, diafragmasA constricted opening in the path inside a waveguide, used to form a resonator."The engineer carefully adjusted the irises within the microwave waveguide to fine-tune the resonant frequency. "El ingeniero ajustó cuidadosamente las aberturas dentro de la guía de ondas de microondas para afinar la frecuencia de resonancia.technologyphysicselectronicsdevicesignalpartChat with AIVocabulary GamePractice Reading
noun🔗ShareIrisThe inner circle of an oscillated color spot."The shimmering soap bubble displayed irises as it floated, colorful rings spreading from the center of the light spot. "La burbuja de jabón brillante mostraba iris mientras flotaba, anillos coloridos que se extendían desde el centro del punto de luz.anatomyorganpartphysiologyappearancebodycolorChat with AIVocabulary GamePractice Reading
verb🔗ShareAbrir, cerrar(of an aperture, lens or door) To open or close in the manner of an iris."As the security camera detected movement, its lens began to iris, slowly opening to capture a clearer image. "Cuando la cámara de seguridad detectó movimiento, su lente comenzó a abrirse, abriéndose lentamente para capturar una imagen más clara.technicalmachineactionpartstructuretechnologyChat with AIVocabulary GamePractice Reading
