(zoology) the abdomen of a spider or other arachnid
opisthotonos op·is·thot·o·nos (ŏp’ĭs-thŏt’n-əs) n. A tetanic spasm in which the head and feet are drawn backward and the spine arches forward. o·pis’tho·ton’ic (ə-pĭs’thə-tŏn’ĭk) adj.
[oh-pee-uh m] /ˈoʊ pi əm/ noun 1. the dried, condensed juice of a poppy, Papaver somniferum, that has a narcotic, soporific, analgesic, and astringent effect and contains morphine, codeine, papaverine, and other alkaloids used in medicine in their isolated or derived forms: a narcotic substance, poisonous in large doses. 2. anything that causes dullness or […]
- Opium den
noun 1. a place where opium is sold and used
[oh-pee-uh-miz-uh m] /ˈoʊ pi əˌmɪz əm/ noun 1. the addictive use of as a stimulant or intoxicant. 2. the pathological condition caused by the addictive use of . /ˈəʊpɪəˌmɪzəm/ noun 1. (pathol) addiction to opium or a condition resulting from prolonged use of opium