vicinal

From Latin vīcīnālis.

• IPA^(key): /ˈvɪsɪnəl/

vicinal (not comparable)

1. Of or pertaining to a neighborhood; neighboring.
2. (chemistry) Describing identical atoms or groups attached to nearby (especially adjacent) atoms in a molecule.
3. (mineralogy) Describing subordinate planes on a crystal, which are very near to the fundamental planes in angles, and sometimes take their place.

• vicinality
• vicinity

• geminal

Borrowed from Latin vīcīnālis. Displaced Middle French voisinal.

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vicinal (feminine singular vicinale, masculine plural vicinaux, feminine plural vicinales)

1. vicinal

• géminal

• “vicinal” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

vicinal m or f (plural vicinais, comparable)

1. vicinal