1. Having no placenta
   "monotremes and marsupials are aplacental mammals"

Antonym: placental

• bibelot
• bible
• Bible Belt
• bible leaf
• Bible-worship
• bibless
• biblical
• Biblical Aramaic
• Biblical Latin
• biblically
• Biblicist
• biblio-
• bibliographer
• bibliographic
• bibliographical
• bibliography
• bibliolatrous
• bibliolatry
• bibliology
• bibliomania
• bibliomaniac
• bibliomaniacal
• bibliophile
• bibliophilic
• bibliophobia