Vic"i*nal [L. vicinalis: cf. F. vicinal.]

Near; vicine.

T. Warton.

<-- (Organic Chem.) Having the substituted groups on the same carbon atom. -->

Vicinal planes Min., subordinate planes on a crystal, which are very near to the fundamental planes in angles, and sometimes take their place. They have in general very complex symbols.

 

© Webster 1913.

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