The property, exhibited by growing parts of plants, of bending or turning in a particular manner under the influence of light. The most usual case…
| 单词 | θ21298 |
| 释义 | the world > plants > part of plant > growth, movement, or curvature of parts > [noun] > tropisms (22) heliotropism1854 The property, exhibited by growing parts of plants, of bending or turning in a particular manner under the influence of light. The most usual case… geotropism1873 The directional growth of a plant or (less commonly) a sessile animal in response to gravity; (also) the directional movement of a motile animal… apheliotropism1880 The habit (in plants) of bending away from the light. apogeotropism1880 The tendency of leaves and other parts of plants to turn away from the earth. nyctitropism1880 = nyctinasty, n. paraheliotropism1881 A type of tropism in which a plant's leaves move to reduce injuriously intense illumination, usually by keeping their blades parallel to the light… hydrotropism1882 The property, exhibited by the growing parts (esp. the roots) of plants, of bending or turning under the influence of moisture. Cf. heliotropism, n. selenotropism1883 (Musset sélénetropisme) selenotropy1883 rheotropism1884 The orientation or movement of an organism in response to a current of water. Cf. rheotaxis, n. orthotropism1885 The condition of being orthotropic; tendency to grow in a vertical direction, upwards or downwards. plagiotropism1886 The condition or character of being plagiotropic. geotropy1888 = geotropism, n. haptotropism1888 The movement or directional growth of plants or plant organs (as the tendrils of climbing plants) in response to the stimulus of touch. Also called… aerotropism1889 the property of bending or turning towards a source of air, exhibited esp. by the growing roots of plants. phototropy1892 Biology. = phototropism, n. 1. Now rare. autotropism1897 Botany. The tendency of a plant part, esp. a root or shoot, to grow in a straight line or to retain its normal spatial orientation even in the… plagiotropy1898 = plagiotropism, n. thermotropism1898 The property possessed by growing plant-organs of turning or bending towards (positive thermotropism) or away from (negative thermotropism) the… traumatropism1898 A peculiar growth or curvature of an organism (esp. a plant) resulting from a wound. traumaˈtropic adj. of, pertaining to, or of the nature of… phototropism1899 Chiefly Biology. The directional bending or growth of a plant or sessile animal in response to light; (also, Zoology) the directional movement of… gravitropism1969 Downward or upward growth of the parts of plants in response to the force of gravity; geotropism. |
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