AUTOTROPHIC
Au`to*troph"ic, a. [Auto- + trophic.] (Plant Physiol.)
Defn: Capable of self-nourishment; — said of all plants in which photosynthetic activity takes place, as opposed to parasitism or saprophytism.
AUTOTROPISM
Au*tot"ro*pism, n. [Auto- + Gr. to turn.] (Plant Physiol.)
Defn: The tendency of plant organs to grow in a straight line when uninfluenced by external stimuli.
AUTOTYPE
Au"to*type, n. Etym: [Auto- + -type: cf. F. autotype.]
1. A facsimile.
2. A photographic picture produced in sensitized pigmented gelatin by exposure to light under a negative; and subsequent washing out of the soluble parts; a kind of picture in ink from a gelatin plate.
AUTOTYPOGRAPHY
Au`to*ty*pog"ra*phy, n. Etym: [Auto- + typography.]
Defn: A process resembling "nature printing," by which drawings executed on gelatin are impressed into a soft metal plate, from which the printing is done as from copperplate.
AUTOTYPY
Au*tot"y*py, n.