| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| fetus |
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| SYLLABICATION: | fe·tus |
| PRONUNCIATION: |  f  t s |
| NOUN: | Inflected forms: pl. fe·tus·es
1. The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal. 2. In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo. | | ETYMOLOGY: | Middle English, from Latin ftus, offspring. See dh(i)- in Appendix I.
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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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