American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "refractor" in a sentence
"Combine one of these with a good wedge, a quality 100 mm f5 refractor, a great objective and you might have the perfect backpack telescope ..."
"These chrome and refractor cards extend from the original sets in Heritage (numbers 1-100) and Topps Chrome (numbers 101-200), and these new chrome cards will be numbers 201-300."
"Each box of the new series will include two serial numbered chrome parallel cards (numbered to 1959) or refractor cards (numbered to 559) or black border refractor cards (numbered to 59)."