| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| tracheole |
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| SYLLABICATION: | tra·che·ole |
| PRONUNCIATION: |  tr  k - l |
| NOUN: | One of the fine branching tubes of the trachea of an insect, which penetrates the tissues to provide oxygen. | | ETYMOLOGY: | New Latin trchola, diminutive of Medieval Latin trcha, trachea. See trachea. | | OTHER FORMS: | tra·cheo·lar (- -lr) —ADJECTIVE
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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