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wood preservative
wood preservative n (Building) a coating applied to timber as a protection against decay, insects, weather, etc wood preservative
wood preservative[′wu̇d pri‚zər·vəd·iv] (materials) A material used to coat wood to kill insects and fungi, but not usually classed as an insecticide; coal tar creosote and its derivatives are the most widely used wood preservatives. wood preservativeA chemical used to prevent or retard the decay of wood, esp. by fungi or insects; widely used preservatives include creosote, pitch, sodium fluoride, and tar; esp. used on wood having contact with the ground.MedicalSeepreservativeFinancialSeeLumberThesaurusSeelumber |