n. The process of self-digestion by a cell through the action of enzymes originating within the same cell. Often a defensive and/or self-preservation measure.
n. A type of programmed cell death accomplished through self-digestion
n. Self-consumption; the act of eating oneself.
the GNU version of the Collaborative International Dictionary of English
n. The feeding of the body upon itself, as in fasting; nutrition by consumption of one's own tissues.
The Century Dictionary and Cyclopedia
n. The act of feeding upon one's self.
Word Usage
"This process is called autophagy literally, self-eating, and it has an important role in other parts of the body to provide energy in times of starvation."