graphology /(grȧ*fŏl"ō̇*jy̆)/

gra·phol·o·gy

graphology

n.
  1. The art of judging of a person's character, disposition, and aptitude from his handwriting; called graphoanalysis by its practitioners. Though its practitioners consider it a science, it is widely considered a pseudoscience, as is astrology.
  2. The system or notation used in dealing with graphs. (Math.)
  3. The study of systems of writing of languages; also called grammatology. (Linguistics)