Definitions

from The Century Dictionary.

  • Destitute of soil or mold.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Destitute of soil or mold.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Lacking home soil; dispossessed
  • adjective Not containing soil

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

soil +‎ -less

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Examples

  • Carbon dioxide can be replaced by oxygen through 'soilless' gardening '- hydroponics.

    The Rolling Stones Heinlein, Robert A. 1952

  • Lately I have been adding the preplanted tulips and hyacinths from Walmart as soon as they appear in the store, just barely peeking out of the soilless mix.

    Tulips 2010 « Fairegarden 2010

  • Labeled as orange tulips potted for sale over a month ago with the tips just peeking out of the soilless mix, there is no damage from the cold snap apparent.

    Winters Of Spring « Fairegarden 2009

  • It is so darn fun to see something rise up out of the soilless mix, like magic.

    Greenhouse/Sunroom Of Plenty « Fairegarden 2009

  • Among the concepts were the Miller|Hull Partnership's plan to turn a strip mall into a soilless farm, Forrest Fulton's concept of converting big-box stores into greenhouses and restaurants, and Alexandros Tsolakis and Irene Shamma's idea for "airbia," a way to link suburbs and city centers.

    Buzzword: Reburbia 2009

  • Among the concepts were the Miller | Hull Partnership's plan to turn a strip mall into a soilless farm, Forrest Fulton's concept of converting big-box stores into greenhouses and restaurants, and Alexandros Tsolakis and Irene Shamma's idea for "airbia," a way to link suburbs and city centers.

    Buzzword: Reburbia 2009

  • The concept of aquaculture involves delivering nutrients to plants in a soilless medium with water.

    FARM FOUNTAIN: Eco-art Meets Aquaculture | Inhabitat 2008

  • These are ground orchids not epiphytes like the catts, but still want a moist by not soggy soilless mix.

    From The Greenhouse « Fairegarden 2008

  • The concept of aquaculture involves delivering nutrients to plants in a soilless medium with water.

    FARM FOUNTAIN: Eco-art Meets Aquaculture | Inhabitat 2008

  • The manufacturer apparently assumed that magnesium would have already been added to any soilless mix and that the fertilizer could "maintain" the mix without containing magnesium.

    17: Above-ground (urban) gardens 1996

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