first flush

Definitions

1. 1

   The first growth of buds, flowers, seeds, or whatever is harvested from a plant.

   • But, because the first flush of growth is from a preformed bud and subsequent flushes are from buds developed during the current growing season, chilling directly affects only the first flush.
   • Planting dates, soil moisture, nutrition, and pest management should be designed to protect the first flush of floral buds, flowers, and pods.
   • The first harvest, from the end of February to early April, is called the "first flush" and is when the tea with the finest aroma is collected.
2. 2

   The beginning

   The beginning; the period of time when something is first starting.

   • When however the first flush of our surprize is over we cannot fail to perceive that amid all this legerdemain there is a vast deal of nature united with that astonishing splendour of colouring which so many have tried to emulate.
   • And though his money was now gone again, all but a sovereign or two, yet that troubled him but little, in the first flush of being at sea.
3. 3

   The flow of wastewater at the start of a storm or season, when runoff has the highest…

   The flow of wastewater at the start of a storm or season, when runoff has the highest concentration of pollutants.

   • Several published data sets have been collected to evaluate the occurrence of a first flush of pollutants from urban watersheds.
   • For most catchments, first flushes must be expected.
   • The amount of first flush that should be diverted varies considerably depending on how much dust has accumulated on a roof.

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