annual ring
n. The layer of wood formed in a plant during a single year. Annual rings appear concentric when viewed in cross section. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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| Main Entry: | annual ring1 |
| Part of Speech: | n |
| Definition: | See tree ring |
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2009 Dictionary.com, LLC
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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