Ăn’tĭ-pā’r’al-lel1, a.
a. Running in a contrary direction. Hammond.
2 entries under this word
Antiparallel
Ăn’tĭ-pār'al-lel2, n.
n. (Geom.) One of two or more lines which make equal angles with two other lines, but contrary ways. Hutton.