- raucous laughter
- inappropriate laughter, sometimes found in schizophrenia
单词 | cachinnation |
释义 | Collins Concise English Dictionary © HarperCollins Publishers:: cachinnation /ˌkækɪˈneɪʃən/ n
cach•in•nate (kak′ə nāt′),USA pronunciation v.i., -nat•ed, -nat•ing.
cach′in•na′tor, n. |
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