释义 |
WordReference Random House Unabridged Dictionary of American English © 2024re•tar•da•tion (rē′tär dā′shən),USA pronunciation n. - the act of retarding or state of being retarded.
- something that retards; hindrance.
- slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc.
- Music and Dancea form of suspension that is resolved upward.
Also, re•tard•ment (ri tärd′mənt).USA pronunciation - Latin retardātiōn- (stem of retardātiō), equivalent. to retardāt(us) (see retard, -ate1) + -iōn- -ion
- late Middle English retardacioun 1400–50
re•tard•a•tive (ri tär′də tiv),USA pronunciation re•tard•a•to•ry (ri tär′də tôr′ē, -tōr′ē),USA pronunciation adj. Collins Concise English Dictionary © HarperCollins Publishers:: retardation /ˌriːtɑːˈdeɪʃən/, (less commonly)retardment /rɪˈtɑːdmənt/ n - the act of retarding or the state of being retarded
- something that retards; hindrance
reˈtardative, reˈtardatory adj WordReference Random House Learner's Dictionary of American English © 2024re•tard /rɪˈtɑrd for 1.; ˈritɑrd for 4 in Unabridged dictionary. USA pronunciation v. [~ + object]- to delay the development or progress of:Cold retards the growth of bacteria.
n. [countable] - Slang Terms(disparaging).
- a mentally retarded person.
- one who is stupid or ineffective.
re•tar•da•tion /ˌritɑrˈdeɪʃən/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024re•tard (ri tärd′, for 1–3, 5; rē′tärd for 4),USA pronunciation v.t. - to make slow;
delay the development or progress of (an action, process, etc.); hinder or impede. v.i. - to be delayed.
n. - a slowing down, diminution, or hindrance, as in a machine.
- Slang Terms(disparaging).
- a mentally retarded person.
- a person who is stupid, obtuse, or ineffective in some way:a hopeless social retard.
- Automotivean adjustment made in the setting of the distributor of an internal-combustion engine so that the spark for ignition in each cylinder is generated later in the cycle. Cf. advance.
- Latin retardāre to delay, protract, equivalent. to re- re- + tardāre to loiter, be slow, derivative of tardus slow; see tardy
- 1480–90
re•tard′ing•ly, adv. - 1.See corresponding entry in Unabridged obstruct, check.
- 1.See corresponding entry in Unabridged accelerate.
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