What is the definition of Paraheliotropism? | Dictionary.net

PARAHELIOTROPISM

\pˈaɹəhˌɛlɪˌɒtɹə͡ʊpˌɪzəm], \pˈaɹəhˌɛlɪˌɒtɹə‍ʊpˌɪzəm], \p_ˈa_ɹ_ə_h_ˌɛ_l_ɪ__ˌɒ_t_ɹ_əʊ_p_ˌɪ_z_ə_m]\

Definitions of PARAHELIOTROPISM

1920 - A dictionary of scientific terms.
1920 - A dictionary of scientific terms (6th edition)
1908 - Chambers's Twentieth Century Dictionary of the English Language
1919 - The concise Oxford dictionary of current English

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Tendency of plants to turn the edges of their leaves to too brilliant an illumination to save their surfaces.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

[Greek] Tendency of plants to turn the edges of their leaves to too brilliant an illumination to save their surfaces (bot.).

1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth

par-a-h[=e]-li-ot'r[=o]-pizm, n. the diurnal sleep of plants.--adj. PARAHELIOTROP'IC. [Gr. para, beside, h[=e]lios, the sun, trepein, to turn.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

Tendency in plants to turn leaves parallel to incidence of light-rays. So paraheliotropic a.

1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry

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