ring of iris
1ring of iris greater — anulus iridis major …
2ring of iris lesser — anulus iridis minor …
3Iris diaphragm — I ris di a*phragm An adjustable diaphragm, reminiscent of the iris of the eye in its action, by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of… …
4iris — ► NOUN 1) a flat, coloured, ring shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the centre. 2) a plant with sword shaped leaves and purple or yellow flowers. ORIGIN Greek, rainbow, iris …
5iris diaphragm — n an adjustable diaphragm of thin opaque plates that can be turned by a ring so as to change the diameter of a central opening usu. to regulate the aperture of a lens (as in a microscope) …
6ring — 1. A circular band surrounding a wide central opening; a r. shaped or circular structure surrounding an opening or level area. SYN: anulus [TA]. 2. The closed ( i.e., endless) chain of atoms in a cyclic compound; commonly used for “cyclic” or… …
7iris diaphragm — noun diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening • Syn: ↑iris • Hypernyms: ↑diaphragm, ↑stop * * * noun : an adjustable diaphragm of thin opaque plates that can be turned by a… …
8Iris-Heterochromie — Als Iris Heterochromie (Heterochromia iridis), auch Odd Eye(d), bezeichnet man die Verschiedenheit beider Regenbogenhäute der Augen durch Störung der Pigmentierung. Das betroffene Lebewesen hat folglich zwei verschiedene Augenfarben. Sie kommt… …
9Iris — The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate the amount of light that enters the eye. The eye has a number of other key components. These include the cornea, pupil, lens, retina,… …
10iris — noun 1》 a flat, coloured, ring shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the centre. 2》 a plant with showy flowers, typically purple or yellow, and sword shaped leaves. [Genus Iris: many… …
