as·cet·i·cism 
(ə-sĕtĭ-sĭz′əm)
(ə-sĕtĭ-sĭz′əm)n.
1. The principles and practices of an ascetic; extreme self-denial and austerity.
2. The doctrine that the ascetic life releases the soul from bondage to the body and permits union with the divine.
- radiocarbon
- radiocarbon dating
- radiochemical
- radiochemistry
- radio collar
- radio compass
- radioecological
- radioecologist
- radioecology
- radio frequency
- radio frequency identification
- radio galaxy
- radiogenic
- radiogram
- radiograph
- radiographer
- radiographic
- radiographically
- radiography
- radioimmunoassay
- radioimmunological
- radioimmunology
- radioiodine
- radioisotope
- radiolabel