| hydroponics | (noun) a technique of growing plants (without soil) in water containing dissolved nutrients | Synonyms: aquiculture, tank farming |
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| japonica | (noun) deciduous thorny shrub native to Japan having red blossoms | Synonyms: Chaenomeles japonica, maule's quince |
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| (noun) greenhouse shrub with glossy green leaves and showy fragrant rose-like flowers; cultivated in many varieties | Synonyms: Camellia japonica |
| poniard | (noun) a dagger with a slender blade | Synonyms: bodkin |
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| saponification | (noun) a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap) | - |
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| saponin | (noun) any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers | - |
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