| 单词 | nootropic |
| 释义 | nootropic[ noh-uh-trop-ik, ‐troh-pik ] / ˌnoʊ əˈtrɒp ɪk, ‐ˈtroʊ pɪk / adjective(of a drug or other substance) capable of enhancing memory, concentration, or other cognitive functions and of preventing cognitive decline: Each capsule contains six different nootropic substances. nounAlso called smart drug. a drug or other substance that enhances memory, concentration, or other cognitive functions: The effectiveness, and safety, of certain nootropics remain debatable. Origin of nootropicFirst recorded in 1970–75; <Greek nóo(s) “mind” + -tropic Words nearby nootropicnoose, noosphere, Nootka, Nootka fir, Nootka Sound, nootropic, NOP, no pain, no gain, nopal, no-par, nope Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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