practicing great self-denial; "Be systematically ascetic...do...something for no other reason than that you would rather not do it"- William James; "a desert nomad's austere life"; "a spartan diet"; "a spartan existence"
pertaining to or characteristic of an ascetic or the practice of rigorous self-discipline; "ascetic practices"
being or affecting only a part; not total; "a partial description of the suspect"; "partial collapse"; "a partial eclipse"; "a partial monopoly"; "partial immunity"
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)