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implacental

[im-pluh-sen-tl] /ˌɪm pləˈsɛn tl/
adjective
1.
Zoology. having no placenta, as a monotreme or marsupial.
noun
2.
an implacental mammal.
Also, implacentate
[im-pluh-sen-teyt] /ˌɪm pləˈsɛn teɪt/ (Show IPA)
.
Origin
1830-1840
1830-40; im-2 + placental
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for implacentate

implacental

/ˌɪmpləˈsɛntəl/
adjective
1.
another word for aplacental
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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