| Part of Speech | Definition | |
| Noun | 1. A mammal having no placenta.[Websters]. | |
| Adjective | 1. Without a placenta, as marsupials and monotremes.[Websters]
2. Rarely used base adjective of the adverb implacentally.[Eve - graph theoretic] | |
| Adverb Form (implacentally) | 1. Virtually never used adverbial inflection of the rarely used adjective implacental.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "IMPLACENTAL" was first used in popular English literature: sometime before 1914. (references) |
