Merriam-Webster's Collegiate Dictionary
self-de·ter·mi·na·tion
\\-di-ˌtər-mə-ˈnā-shən\\ noun DATE circa 1670
1. free choice of one's own acts or states without external compulsion2. determination by the people of a territorial unit of their own future political status self-determination
1683, "determination of mind," from self + determination. Political sense is attested from 1911, popularized by U.S. President Woodrow Wilson (1856-1924).
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
self-determination7self-de7termi'n·ation noun [U]1. the right of a country and its people to be independent and to choose their own government and political system
(国家及其人民的)自决权
SYN independence
2. the right or ability of a person to control their own
fate
(个人)自主权,自主能力 self-determination noun
⇨ independence
Webster's Third New International Dictionary, Unabridged
self-determination
\| ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷\ noun
1. : determination of one's acts or states by oneself without external compulsion
2. : the right of a people to decide its future political status (as with respect to form of government or independence) or its action in so deciding usually by plebiscite