资料来源 : Webster's Revised Unabridged Dictionary (1913)

Allineation \Al*lin`e*a"tion\, Alineation \A*lin`e*a"tion\, n.
   Alignment; position in a straight line, as of two planets
   with the sun. --Whewell.

         The allineation of the two planets.      --C. A. Young.