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Aphotic zone


the vertical depth of water in the ocean unreachable by sunlight, just below the photic zone, and not supporting photosynthesis or autotrophic organisms

It is almost impossible to dive in the aphotic zone.
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  • Aphra

    fem. proper name, apparently from a misunderstanding of Hebrew bebheth ‘Aphrah “in the house of Aphrah” (Mi. i:10), in which Aphrah probably is the name of a town, not a person. [Klein] Historical Examples In this there is some injustice against Mrs. Centlivre, for whose name should be supplied that of aphra Behn. Their Majesties’ […]

  • Aphrasia

    aphrasia aphrasia a·phra·si·a (ə-frā’zē-ə, -zhə) n. The inability to speak.

  • Aphrodisia

    sexual desire. Historical Examples aphrodisia is to be served up at the banquet as the last dish, after the fruit. Ancient Manners Pierre Louys aphrodisia was the favourite slave, the prettiest and best-loved. Ancient Manners Pierre Louys Alexander of aphrodisia taught this world was a mixture; ii. Plotinos: Complete Works, v. 4 Plotinos (Plotinus) A […]

  • Aphrodisiacal

    Also, aphrodisiacal [af-ruh-duh-zahy-uh-kuh l, -sahy-] /ˌæf rə dəˈzaɪ ə kəl, -ˈsaɪ-/ (Show IPA). arousing sexual desire. an aphrodisiac food, drug, potion, or other agent that arouses sexual desire. Historical Examples Thus onions are regarded as aphrodisiacal, and were so regarded by the Greeks, as we learn from Aristophanes. Studies in the Psychology of Sex, Volume […]

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