Hemitrope :: Hemitrope (a.) Half turned round; half inverted; (Crystallog.) having a twinned structure.
Hemitrope :: Hemitrope (n.) That which is hemitropal in construction; (Crystallog.) a twin crystal having a hemitropal structure.
Hemitropous :: Hemitropous (a.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; -- said of an ovule.