radon seed


seed

 [sēd] 1. the mature ovule of a flowering plant.2. semen.3. a small cylindrical shell of gold or other suitable material, used in application of radiation therapy.4. to inoculate a culture medium with microorganisms.plantago seed (plantain seed) (psyllium seed) cleaned, dried ripe seed of species of Plantago; used as a laxative" >bulk-forming laxative.radon seed a small sealed container for radon, for insertion into the tissues of the body in radiotherapy.