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a combining form meaning “monster,” used in the formation of compound words:

terato- pref.
Teras: teratogen.


Read Also:

  • Teratoblastoma

    teratoblastoma ter·a·to·blas·to·ma (těr’ə-tō-blā-stō’mə) n. See teratoma.

  • Teratocarcinoma

    teratocarcinoma ter·a·to·car·ci·no·ma (těr’ə-tō-kär’sə-nō’mə) n. A malignant teratoma occurring most commonly in the testis. A malignant epithelioma arising in a teratoma.

  • Teratogen

    noun, Biology. 1. a drug or other substance capable of interfering with the development of a fetus, causing birth defects. noun 1. any substance, organism, or process that causes malformations in a fetus. Teratogens include certain drugs (such as thalidomide), infections (such as German measles), and ionizing radiation teratogen te·rat·o·gen (tə-rāt’ə-jən, těr’ə-tə-) n. An agent, […]

  • Teratogenesis

    [tuh-rat-uh-jen-uh-sis, ter-uh-tuh-] /təˌræt əˈdʒɛn ə sɪs, ˈtɛr ə tə-/ noun, Biology. 1. the production or induction of malformations or monstrosities, especially of a developing embryo or fetus. teratogenesis ter·a·to·gen·e·sis (těr’ə-tə-jěn’ĭ-sĭs) n. Development of malformed organisms or growths. Also called teratogeny.

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