a genus of tall Paleozoic woods superficially resembling contemporary screw pines; they were structurally intermediate in certain techniques between cycads and conifers.
A genus of fossil plants, extensively distributed, really characteristic of the Carboniferous epoch, and particularly of this coal-measures of this age.
high Paleozoic trees superficially resembling modern screw pines; structurally advanced in certain means between cycads and conifers
a genus of tall Paleozoic woods superficially resembling modern-day screw pines; they were structurally intermediate in a few ways between cycads and conifers.
A genus of fossil plants, extensively distributed, very characteristic for the Carboniferous epoch, and especially of this coal-measures of the age.
tall Paleozoic trees superficially resembling contemporary screw pines; structurally intermediate in some ways between cycads and conifers
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...
How would you define cordaites?