See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
sparrow(dictionary)
sparrow(dictionary)
sparrow(encyclopedia)
sparrow(medicine)
sparrow (as used in expressions)(encyclopedia)
sparrow hawk(encyclopedia)
sparrow-grass(dictionary)
sparrow limit(medicine)
house sparrow(encyclopedia)

phytohormone (medicine) and sparrow (iou)


phytohormone (medicine)


phytohormone -->
plant growth substances
<plant biology> Substances that, at low concentration, influence plant growth and differentiation. Formerly referred to as plant hormones or phytohormones, these terms are now suspect because some aspects of the hormone concept, notably action at a distance from the site of synthesis, do not necessarily apply in plants. Also called plant growth regulators.

The major classes are absicisic acid, auxin, cytokinin, ethylene and gibberellin, others include steroid and phenol Derivatives.


sparrow (iou)



sparrow noun.

a. Any of various small Old World finchlike birds of the genus Passer and related genera (family Ploceidae); esp. the house sparrow. OE.
rock sparrow, tree sparrow, etc.
b. With specifying word: any of several Other small sparrow-like birds of the Old World which are unrelated to the true sparrows. M17.
hedge sparrow, java sparrow, reed-sparrow, etc.
c. Any of various small New World birds of the family Emberizidae, resembling sparrows or buntings. L18.
fox sparrow, savannah sparrow, song sparrow, etc.
A chirpy quick-witted person. Freq. in cockney sparrow. M19.
Comb.: sparrow-brain colloq. (a person of) limited intelligence or perception; sparrow-fart, sparrow's-fart dial. & slang daybreak, very early morning; sparrow owl = PYGMY owl; sparrow's-fart: see sparrow-fart above; sparrow-tail a long narrow coat-tail.
sparrow-like adjective resembling (that of) a sparrow E17.
sparrowy adjective (a) characteristic of or resembling a sparrow; (b) having many sparrows: L19.