transcription, транскрипция: [ ˈklōzd ]
adjective
Date: 13th century
1.
a. : not open
b. : enclosed
c. : composed entirely of closed tubes or vessels
a closed circulatory system
2.
a. : forming a self-contained unit allowing no additions
closed association
b.
(1) : traced by a moving point that returns to an arbitrary starting point
closed curve
also : so formed that every plane section is a closed curve
closed surface
(2) : characterized by mathematical elements that when subjected to an operation produce only elements of the same set
the set of whole numbers is closed under addition and multiplication
(3) : containing all the limit points of every possible subset
a closed interval contains its endpoints
c. : characterized by continuous return and reuse of the working substance
a closed cooling system
d. of a racecourse : having the same starting and finishing point
3.
a. : confined to a few
closed membership
b. : excluding participation of outsiders or witnesses : conducted in strict secrecy
c. : rigidly excluding outside influence
a closed mind
4. : ending in a consonant
closed syllable