a. [ Uni- + cell. ] (Biol.) Unicellular. [ 1913 Webster ]

a. [ Uni- + cellular. ] Having, or consisting of, but a single cell; as, a unicellular organism. [ 1913 Webster ]

a. [ Uni- + central. ] (Biol.) Having a single center of growth. [ 1913 Webster ]

Unicentral development, that form of development which takes place primarily around a single central point, as in the lowest of unicellular organisms. [ 1913 Webster ]