[ dam-ping-awf, -of ]
/ ˈdæm pɪŋˈɔf, -ˈɒf /

noun Plant Pathology.

a disease of seedlings, occurring either before or immediately after emerging from the soil, characterized by rotting of the stem at soil level and eventual collapse of the plant, caused by any of several soil fungi.

Origin of damping-off

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for damping-off

  • Damping-off is less liable to occur in such material than in denser soils.

    The Nursery Book|Liberty Hyde Bailey
  • Another source of loss was in the damping-off of young plants.

    Ginseng and Other Medicinal Plants|A. R. (Arthur Robert) Harding
  • Damping-off is a common ailment of young seedlings and cuttings.

    The Nursery Book|Liberty Hyde Bailey
  • In this way much can be done to protect the plants from injury from such diseases as the damping-off fungus and mildew.