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单词 insomniac
释义

WordReference Random House Unabridged Dictionary of American English © 2024
in•som•ni•ac  (in som′nē ak′),USA pronunciation n. 
  1. Physiologya person who suffers from insomnia.

adj. 
  1. Physiologyhaving insomnia:a nervous, insomniac person.
  2. Physiologyof, pertaining to, or causing insomnia.
  • insomni(a) + -ac 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::
inˈsomniˌac /ɪnˈsɒmnɪˌæk/ adj
  1. exhibiting or causing insomnia
 n
  1. a person experiencing insomnia
WordReference Random House Learner's Dictionary of American English © 2024
in•som•ni•a /ɪnˈsɑmniə/USA pronunciation   n. [uncountable]
  1. Pathologydifficulty in falling or staying asleep, esp. when habitual.
in•som•ni•ac /ɪnˈsɑmniˌæk/USA pronunciation  n. [countable], adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
in•som•ni•a  (in som′nē ə),USA pronunciation n. 
  1. Pathology, Physiologyinability to obtain sufficient sleep, esp. when chronic;
    difficulty in falling or staying asleep;
    sleeplessness.
  • Latin, equivalent. to insomn(is) sleepless (in- in-3 + somn(us) sleep + -is adjective, adjectival suffix) + -ia -ia
  • 1685–95
in•som′ni•ous, adj. 
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