— actinomorphy , n.
/ak tin'oh mawr"fik, ak'teuh noh-/ , adj.
1. Biol. having radial symmetry.
2. Bot. (of certain flowers, as the buttercup) divisible vertically into similar halves by each of a number of planes passing through the axis.
Also, actinomorphous .
[ 1895-1900; ACTINO- + -MORPHIC ]