PENTABASIC
Pen`ta*ba"sic, a. Etym: [Penta- + basic.] (Chem.)
Definition: Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- said of certain acids.
Source: Webster’s Unabridged Dictionary 1913 Edition
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27 May 2025
DIRECTIONALITY
(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”
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