ANAMORPHOSIS (a Gr. word, derived from ἀνά, back, and μορφή, form: the second o in the Greek is long, but in English the pronunciation varies), a deformation or distortion of appearance; in drawing, the representation of an object as seen, for instance, altered by reflexion in a mirror; in botany, e.g. in the case of fungi or lichens, an abnormal change giving the appearance of a different species.