irising
/ˈaɪrɪsɪŋ/
verb
- To open and close the iris of the eye, or to cause something to open and close like an iris.
- The photographer watched the camera lens irising as it adjusted to the light.
- Her eyes kept irising in the bright sunlight, trying to find a comfortable focus.
- The aperture of the telescope began irising automatically to capture the faint star.
- To form or display a pattern of colors like a rainbow or an iris flower.
- The oil slick on the water irised in the afternoon sun.
- The soap bubble irised with shimmering colors before it popped.
- The fabric irised from deep purple to soft lavender as it caught the light.