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.
In focusing, do not allow the object glass of the microscope to come in contact with the cover glass.
From Human Foods and Their Nutritive Value by Snyder, Harry
I was surprised to find the object glass affected by so serious a defect that it could not be expected to do any work of the first class.
From The Reminiscences of an Astronomer by Newcomb, Simon
Pulkova Observatory, object glass made by Alvan Clark & Sons, 144, 145; foundation and situation, 309-313.
From The Reminiscences of an Astronomer by Newcomb, Simon
This is exactly what is done in the telescope; the object glass or large lens forms an image, which is then looked at through a magnifying glass or eye-piece.
From Pioneers of Science by Lodge, Oliver, Sir
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
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.
