segregation

UK: /ˌsɛgrɪˈgeɪʃ^ən/ US: /ˌsɛgrɪˈgeɪʃən/ ,(seg′ri gā′shən)

WordReference Random House Learner's Dictionary of American English © 2026

seg•re•ga•tion /ˌsɛgrɪˈgeɪʃən/   n. [uncountable]

1. Sociology the act or practice of segregating.
2. Sociology the state of being segregated.

seg•re•ga•tion•ist, n. [countable] See -greg-.

WordReference Random House Unabridged Dictionary of American English © 2026

seg•re•ga•tion  (seg′ri gā′shən), n. 

1. Sociology the act or practice of segregating.
2. Sociology the state or condition of being segregated:
   the segregation of private clubs.
3. something segregated.
4. Genetics the separation of allelic genes into different gametes during meiosis. Cf. law of segregation. 

• Late Latin sēgregātiōn- (stem of sēgregātiō), equivalent. to sēgregāt(us) (see segregate) + -iōn- -ion
• 1545–55

seg′re•ga′tion•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

segregation / ˌsɛɡrɪˈɡeɪʃən/ noun

1. the act of segregating or state of being segregated
2. the practice or policy of creating separate facilities within the same society for the use of a minority group
3. the separation at meiosis of the two members of any pair of alleles into separate gametes
   See also Mendel's laws

ˌsegreˈgational adjective