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selenotropism

[si-lee-nuh-troh-piz-uh m, sel-uh-noh-]

noun Biology.

growth in response to moonlight.

Origin of selenotropism

First recorded in 1880–85; seleno- + -tropism

Related formsse·le·no·trop·ic

[suh-lee-nuh-trop-ik, -troh-pik, sel-uh-noh-] /səˌli nəˈtrɒp ɪk, -ˈtroʊ pɪk, ˌsɛl ə noʊ-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019