deleterious substance
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deleterious — I adjective adverse, bad, baleful, baneful, consuming, corroding, corrosive, damaging, deadly, disadvantageous, disserviceable, envenomed, fatal, foul, harmful, injurious to health, insalubrious, lethal, malefic, maleficent, malignant, miasmal,… … Law dictionary
Containment — Con*tain ment, n. 1. That which is contained; the extent; the substance. [Obs.] [1913 Webster] The containment of a rich man s estate. Fuller. [1913 Webster] 2. the act of containing. [PJC] 3. (Diplomacy) the act or policy of restricting the… … The Collaborative International Dictionary of English
heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… … Universalium
Wiley Act — Pure Food and Drug Act Le Pure Food and Drud Act, aussi appelé Wiley Act, est une importante loi fédérale américaine votée en 1906 et dont l objectif est notamment : « empècher la production, la vente et le transport de nourriture, de… … Wikipédia en Français
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness … Universalium
Incest — This article is about the variable social/legal/religious/cultural infraction of sexual relations with close kin. For the biological act of reproducing with close kin, see inbreeding. For the descriptive term for blood related kin, see… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
aging — ag·ing (āʹjĭng) n. 1. The process of growing old or maturing. 2. An artificial process for imparting the characteristics and properties of age. * * * Gradual change in an organism that leads to increased risk of weakness, disease, and death. It… … Universalium
Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution … Wikipedia
