(zoology) the posterior part of an arachnid’s abdomen (opisthosoma) that never carries appendages


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    [met-uh-soh-muh-tiz-uh m] /ˌmɛt əˈsoʊ məˌtɪz əm/ noun, Geology. 1. the series of metamorphic processes whereby chemical changes occur in minerals or rocks as a result of the introduction of material, often in hot aqueous solutions, from external sources. 2. (def 4). /ˌmɛtəˈsəʊməˌtɪzəm/ noun 1. change in the composition of a rock or mineral by the […]

  • Metastable

    [met-uh-stey-buh l, met-uh-stey-] /ˈmɛt əˌsteɪ bəl, ˌmɛt əˈsteɪ-/ adjective 1. Metallurgy. chemically unstable in the absence of certain conditions that would induce stability, but not liable to spontaneous transformation. 2. Also, labile. Physics, Chemistry. pertaining to a body or system existing at an energy level (metastable state) above that of a more state and requiring […]

  • Metastasis

    [muh-tas-tuh-sis] /məˈtæs tə sɪs/ noun, plural metastases [muh-tas-tuh-seez] /məˈtæs təˌsiz/ (Show IPA) 1. Pathology. 2. (def 3). 3. Rhetoric. a rapid transition, as from one subject to another. 4. Physics. a change in position or orbit of an elementary particle. /mɪˈtæstəsɪs/ noun (pl) -ses (-ˌsiːz) 1. (pathol) the spreading of a disease, esp cancer cells, […]

  • Metastasio

    [me-tah-stah-zyaw] /ˌmɛ tɑˈstɑ zyɔ/ noun 1. (Pietro Antonio Domenico Bonaventura Trapassi) 1698–1782, Italian poet and dramatist. /Italian metasˈtaːzjo/ noun 1. Pietro (ˈpjɛːtro), original name Pietro Antonio Domenico Trapassi. 1698–1782, Italian poet and librettist; Viennese court poet (from 1730). His works include La clemenza di Tito (1732)

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