from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A microscope having one lens or lens system, such as a magnifying glass or hand lens.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A microscope with only one lens.
from the GNU version of the Collaborative International Dictionary of English
- n. a single convex lens used to magnify objects placed in its focus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. light microscope consisting of a single convex lens that is used to produce an enlarged image
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