Lectionary Calendar
Monday, April 28th, 2025
the Second Week after Easter
the Second Week after Easter
advertisement
advertisement
advertisement
Attention!
Take your personal ministry to the Next Level by helping StudyLight build churches and supporting pastors in Uganda.
Click here to join the effort!
Click here to join the effort!
Bible Encyclopedias
Focus
1911 Encyclopedia Britannica
or Resource Toolbox
Additional Links
(Latin for "hearth" or "fireplace"), a point at which converging rays meet, toward which they are directed, or from which diverging rays are directed; in the latter case called the virtual focus (see Microscope; Telescope; Lens). In geometry the word is used to denote certain points (see Geometry; Conic Section; and Perspective).
Copyright Statement
These files are public domain.
These files are public domain.
Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Focus'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/f/focus.html. 1910.
Chisholm, Hugh, General Editor. Entry for 'Focus'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/f/focus.html. 1910.
