object glass
Americannoun
noun
Etymology
Origin of object glass
First recorded in 1655–65
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.
They make a cross line on my object glass.
From The Girl Scouts at Rocky Ledge Nora's Real Vacation by Garis, Lilian
Professor Lowell's telescope is over 32 feet in focal length, and has an object glass of excellent quality 24 inches in diameter, the work of the celebrated Alvan Clark.
From To Mars via The Moon An Astronomical Story by Wicks, Mark
Any errors left over are to be attributed to other causes than the want of collinearity of the axes of object glass and eyepiece.
From On Laboratory Arts by Threlfall, Richard
What the diameter of the object glass was we do not know, perhaps two inches or possibly a little more.
From Astronomy: The Science of the Heavenly Bodies by Todd, David Peck
Curiously the others crowded about the object glass of the periscope.
From Boy Scouts in the North Sea The Mystery of a Sub by Ralphson, G. Harvey (George Harvey)
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.
