- plural of focus.
foci
Americannoun
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.
The fasting mice had better blood values, less fatty liver and liver inflammation and above all: they developed less liver cancer and had fewer cancer foci in the liver.
From Science Daily • May 7, 2024
TRY IT #5 Graph the ellipse given by the equation Identify and label the center, vertices, co- vertices, and foci.
From Textbooks • Sep. 23, 2020
The line through the foci, is called the transverse axis.
From Textbooks • May 6, 2020
A line drawn through the foci intersect the ellipse in two points.
From Textbooks • May 6, 2020
Ellipses have two centers, or foci; the more elongated the ellipse, the farther apart these foci are.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
