the computer operating system by Microsoft was introduced in 1985 and modified thereafter; it was predominant by c. 1995.
"process of laying roads according to the system of John L. McAdam;" 1824, noun of action from macadamize (see macadam).
"one who devotes himself to the spread of any system of principles," 1797, from propaganda + -ist. Related: Propagandistic; propagandism.
system of Romanized spelling for Chinese, 1963, from Chinese pinyin "to spell, to combine sounds into syllables," from pin "put together" + yin "sound, tone." Adopted officially by the People's Republic of China in 1958. Outside China gradually superseding the 19c. Wade-Giles system (Mao Tse-tung is Wade-Giles, Mao Zedong is Pinyin).
1803, irregularly formed from system + -ic; used in medicine and biology for differentiation of meaning from systematic. Related: Systemically.
"system or theory that regards human beings as the central fact of creation," 1897; see anthropocentric + -ism.