lumen
noun
the unit of luminous flux, equal to the luminous flux emitted in a unit solid angle by a point source of one candle intensity. lm
lumina
-
pluralof lumen.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A most common picture in tuberculosis is a broadening of the carina, which may be so marked as to obliterate the carina and to bulge inward, producing deformed lumina in both bronchi.
From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson
Those lumina mundi believe that the people will forget their records.
From Diary from November 12, 1862, to October 18, 1863 by Adam G. de Gurowski, Count
In other cases Fungi, and even Bacteria, have been found to have made their way into the principal vessels, the lumina of which they stop up, thus reducing the transpiration current.
From Disease in Plants by H. Marshall Ward
By late August, clusters of sperm and metamorphosing spermatids surround the Sertoli cells; large numbers of sperm as well as sloughed cells representing various spermatogenic stages are present in the lumina.
From Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz by John M. Legler
The gray light of the waning moon, sifting through the boughs, was the true lumina for reverie.
From The Mascot of Sweet Briar Gulch by F. Graham Cootes
