Thesaurus.com
Thesaurus / foci

USE foci IN A SENTENCE

Join our early testers! See how your sentence looks with different synonyms.

Characters: 0/140
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

QUIZZES

Were You Bamboozled By The Words From February?

START THE QUIZ

EXAMPLE SENTENCES FROM THE WEB

In an orbit made elliptical by the planetary attraction the sun necessarily occupies one of the foci of the ellipse.
OUTLINES OF THE EARTH'S HISTORYNATHANIEL SOUTHGATE SHALER
That an ellipse may be given any required proportion of width to length by locating the foci at the requisite distance apart.
That the proportion of length to width in an ellipse is determined by the distance apart of the foci.
The curve thus traced will be an ellipse having the pins at the two points which are called its foci.
A TEXT-BOOK OF ASTRONOMYGEORGE C. COMSTOCK
These are at points on the principal axis that are twice as far from O, the center of the lens, as are the principal foci.
PHYSICSWILLIS EUGENE TOWER
Two ellipsoids in which the principal sections lie in the same planes, and have the same foci, are called confocal.
In barbarous places, the legions that were intended as garrisons proved to be foci of civilization.
Their physicians were their great philosophers; their medical colleges were their foci of learning.
Foci of pus occur throughout the gland, causing destruction of the tissue, so that the gland may become a single abscess cavity.
With the Williamson camera focussing is unnecessary within certain distances owing to the fixed foci of the stops.
PRACTICAL CINEMATOGRAPHY AND ITS APPLICATIONSFREDERICK ARTHUR AMBROSE TALBOT

WORD OF THE DAY

comeuppancenoun | [kuhm-uhp-uhns ]SEE DEFINITION
Learn A New Word Right Now!