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Webster 1913 Edition

Atramentaceous

Atˊra-men-ta′ceous

,

Adj.

[L.

atramentum

ink, fr.

ater

black.]

Black, like ink; inky; atramental.

[Obs.]

Derham.

Definition 2024

atramentaceous

atramentaceous

English

Adjective

atramentaceous ‎(comparative more atramentaceous, superlative most atramentaceous)

(obsolete) inky, inklike [From XVIII century.]