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fetus - 8 dictionary results
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fe⋅tus
[fee-tuh
s] 
–noun, plural -tus⋅es. Embryology.
| (used chiefly of viviparous mammals) the young of an animal in the womb or egg, esp. in the later stages of development when the body structures are in the recognizable form of its kind, in humans after the end of the second month of gestation. |
Also, especially British, foetus.
Compare embryo (def. 2).
Origin:
1350–1400; ME < L fētus bringing forth of young, hence that which is born, offspring, young still in the womb, equiv. to fē- (v. base attested in L only in n. derivatives, as fēmina woman, fēcundus fecund, etc.; cf. Gk thēsthai to suck, milk, OHG tāan to suck, OIr denid (he) sucks) + -tus suffix of v. action
1350–1400; ME < L fētus bringing forth of young, hence that which is born, offspring, young still in the womb, equiv. to fē- (v. base attested in L only in n. derivatives, as fēmina woman, fēcundus fecund, etc.; cf. Gk thēsthai to suck, milk, OHG tāan to suck, OIr denid (he) sucks) + -tus suffix of v. action
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To fetus
| fe·tus (fē'təs) n. pl. fe·tus·es
[Middle English, from Latin fētus, offspring; see dhē(i)- in Indo-European roots.] |
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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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Fetus
Fe"tus\, n.; pl. Fetuses. [L. fetus, foetus, a bringing forth, brood, offspring, young ones, cf. fetus fruitful, fructified, that is or was filled with young; akin to E. fawn a deer, fecundity, felicity, feminine, female, and prob. to do, or according to others, to be.] The young or embryo of an animal in the womb, or in the egg; often restricted to the later stages in the development of viviparous and oviparous animals, embryo being applied to the earlier stages. [Written also f[oe]tus.]
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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fetus
The embryo of an animal that bears its young alive (rather than laying eggs). In humans, the embryo is called a fetus after all major body structures have formed; this stage is reached about sixty days after fertilization.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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fetus
1398, from L. fetus "the bearing, bringing forth, or hatching of young," from L. base *fe- "to generate, bear," also "to suck, suckle" (see fecund). In L., this was sometimes transferred figuratively to the newborn creature itself, or used in a sense of "offspring, brood" (cf. "Germania quos horrida parturit fetus," Horace), but this was not the basic meaning. Also used of plants, in the sense of "fruit, produce, shoot." The adj. fetal was formed in Eng. 1811. The spelling foetus is sometimes attempted as a learned Latinism, but it is not historic.
Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: fe·tus
Variant: or chiefly British foe·tus /'fEt-&s/
Function: noun
Inflected Form: plural fe·tus·es or chiefly British foe·tus·es or foe·ti /'fEt-"I/
: an unborn or unhatched vertebrateespecially after attaining the basic structural plan of its kind; specifically : a developing human from usually three months after conception to birth —compare
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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fetus fe·tus (fē'təs)
n. pl. fe·tus·es
- The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
- In humans, the unborn young from the end of the eighth week after conception to the moment of birth.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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| fetus (fē'təs) Pronunciation Key
The unborn offspring of a mammal at the later stages of its development, especially a human from eight weeks after fertilization to its birth. In a fetus, all major body organs are present. fetal adjective |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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