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Ostraca

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• Ostracism

  [os-truh-siz-uh m] /ˈɒs trəˌsɪz əm/ noun 1. exclusion, by general consent, from social acceptance, privileges, friendship, etc. 2. (in ancient Greece) temporary banishment of a citizen, decided upon by popular vote. n. 1580s, a method of 10-year banishment in ancient Athens, by which the citizens gathered and each wrote on a potsherd or tile the […]

• Ostracization

  [os-truh-sahyz] /ˈɒs trəˌsaɪz/ verb (used with object), ostracized, ostracizing. 1. to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father’s arrest. 2. to banish (a person) from his or her native country; expatriate. 3. (in ancient Greece) to banish (a citizen) temporarily by popular vote. /ˈɒstrəˌsaɪz/ verb […]

• Ostracize

  [os-truh-sahyz] /ˈɒs trəˌsaɪz/ verb (used with object), ostracized, ostracizing. 1. to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father’s arrest. 2. to banish (a person) from his or her native country; expatriate. 3. (in ancient Greece) to banish (a citizen) temporarily by popular vote. /ˈɒstrəˌsaɪz/ verb […]

• Ostracod

  [os-truh-kod] /ˈɒs trəˌkɒd/ noun 1. . /ˈɒstrəˌkɒd/ noun 1. any minute crustacean of the mainly freshwater subclass Ostracoda, in which the body is enclosed in a transparent two-valved carapace

• Ostracoderm

  [os-truh-koh-durm] /ˈɒs trə koʊˌdɜrm/ noun 1. any of several extinct jawless fishes of the Ordovician, Silurian, and Devonian periods, having the body enclosed in an armor of bony plates. /ˈɒstrəkəˌdɜːm; ɒsˈtrækə-/ noun 1. any extinct Palaeozoic fishlike jawless vertebrate of the group Ostracodermi, characterized by a heavily armoured body ostracoderm (ŏs’trə-kŏ-dûrm’) Any of three orders […]

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