The lowest division of rhizopods, including those which
resemble the amoebas, but are destitute of a nucleus.
1. Relating to, or associated with, the commemoration of an event that happened a hundred years before; as, a centennial ode. 2. Happening once in a hundred years; as, centennial jubilee; a centennial celebration. 3. Lasting or aged a hundred years. Thet opened th...