English edit

Etymology edit

pre- +‎ seed

Pronunciation edit

  • (verb):
  • (noun, adjective):

Verb edit

preseed (third-person singular simple present preseeds, present participle preseeding, simple past and past participle preseeded)

  1. To seed in advance.
    • 1974, Committee on Agriculture and Forestry, United States, Senate, Congress, Weather Modification Grants: Hearing Before the Subcommittee on Agricultural ..., page 53:
    • [] I loaned them the valve that they used to seed the clouds or preseed them with liquid nitrate solution []
    • 1982, Francis R. Pettit, Post-Digital Electronics, page 146:
      Also included in the menu is the possibility to preseed the entire LSE matrix to any desired level, thus providing a base for many classes of experiment.
    • 1986, Andrew David Cliff, Peter Haggett, J. K. Ord, Spatial Aspects of Influenza Epidemics, page 18:
      Under this scheme, an outbreak of influenza in one year would preseed the population to give a pattern of latent infectives from which a subsequent outbreak would arise in a later year.
    • 1998, Joyce D. Wilkerson, Clownfishes: A Guide to Their Captive Care, Breeding & Natural History, page 93:
      If you haven't been able to preseed the filter with bacteria from another aquarium []
    • 2003, Peter E. Vaillancourt, E. Coli Gene Expression Protocols, page 245:
      Preseed plates by spreading approximately 108 phage each of λKH54 and λKH54h80.

Noun edit

preseed (plural preseeds)

  1. (biotechnology) A medium specially prepared for a seeding operation.
    • 1988, Roman Saliwanchik, Protecting Biotechnology Inventions: A Guide for Scientists, page 157:
      The preseed is then transferred aseptically to 20-liter seed tanks [....]
    • 1990, DE Steinmeyer, ML Shuler, “Continuous operation of a pressure-cycled membrane bioreactor”, in Biotechnology Progress:
      The preseed was incubated with mild agitation at 30 "C for 24 h.

Adjective edit

preseed (comparative more preseed, superlative most preseed)

  1. Before a seeding or seed stage of development.
    • 1972, John Gliedman, Terror from the Sky: North Viet-Nam's Dikes and the U. S. Bombing, page 71:
      Increases in one experiment ranged from 10 to 200 times the preseed rainfall from the individual clouds, [....]
    • 2006, Elliott C. Kulakowski, Lynne U. Chronister, Research Administration and Management, page 799:
      There are many traditional sources of funding, but for new spin-off company creation, gaining access to early stage (angel, preseed, and seed) [...]
    • 2007, Sylvie Doublié, Macromolecular Crystallography Protocols, page 31:
      The totality of the preseed culture is added into the final culture composed of the same medium.

Anagrams edit