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foci

[foh-sahy, -kahy] / ˈfoʊ saɪ, -kaɪ /


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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

One of the foci will be located at the origin.

From Textbooks Dec. 21, 2021

Identify the center, vertices, co-vertices, and foci of the ellipse.

From Textbooks Sep. 23, 2020

If we draw a line through the foci intersects the ellipse in two points—each is called a vertex of the ellipse.

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



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