osmoticum

English

Etymology

osmotic +‎ -um

Noun

osmoticum (plural osmotica)

  1. (biology) Any substance that acts to supplement osmotic pressure in a plant or a culture of plant cells
    • 1998 June 19, Emanuel Epstein, “How Calcium Enhances Plant Salt Tolerance”, in Science‎, volume 280, number 5371, DOI:10.1126/science.280.5371.1906, pages 1906-1907:
      Second, potassium is a major osmoticum of plant cells, an especially crucial feature for plants under high-salt conditions, and one requiring controlled partitioning of the element among organs, tissues, and cell compartments.
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