foci

[foh-sahy, -kahy] / ˈfoʊ saɪ, -kaɪ /

NOUN

center of attraction

Synonyms

STRONGEST

focal point spotlight target

STRONG

center core cynosure headquarters heart hub limelight locus polestar seat

WEAK

bull's eye meeting place nerve center point of convergence

Antonyms

STRONG

exterior exteriority outside periphery surface

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

The foci must lie on the transverse axis and be in the interior of the hyperbola.

From Textbooks • Dec. 21, 2021

What can be said about the symmetry of the graph of an ellipse with center at the origin and foci along the y-axis?

From Textbooks • Sep. 23, 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