Definición de nyctinastic en inglés:

nyctinastic

Silabificación: nyc·ti·nas·tic
Pronunciación: /ˌniktəˈnastik
 
/

adjetivo

Botany
(Of the periodic movement of flowers or leaves) caused by nightly changes in light intensity or temperature.
Más ejemplos en oraciones
  • Leaflets of nyctinastic plants assume a vertical (i.e. closed) position in darkness and revert to horizontal orientation upon illumination.
  • Leaf-movement in nyctinastic plants has long been believed to be controlled by plant hormones that are common among all nyctinastic plants.
  • Several systems of measurement have been used to characterize leaf or leaflet orientation during nyctinastic and heliotropic movement.

Origen

early 20th century: from Greek nux, nukt- 'night' + nastos 'pressed' + -ic.

Derivativos

nyctinasty

Pronunciación: /ˈniktəˌnastē/
sustantivo
Más ejemplos en oraciones
  • The trifoliate leaflets are closed as in nyctinasty.
  • We found that nyctinasty is controlled by a periodic change of the internal concentration of leaf-opening and leaf-closing substances in the plant body.
  • What is the selective advantage to plants of nyctinasty (sleep movements) which closes flowers in the evening?

Definición de nyctinastic en:

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Palabra del día dinkum
Pronunciación: ˈdɪŋkəm
adjective
(of an article or person) genuine, honest, true