- The presence of one substance in another in such low concentration that it cannot be measured quantitatively by ordinary analytical methods.
Forensic science glossary. John C. Brenner . 2012.
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Impurity — Im*pu ri*ty, n.; pl. Impurities . [L. impuritas: cf. F. impuret[ e].] [1913 Webster] 1. The condition or quality of being impure in any sense; defilement; foulness; adulteration. [1913 Webster] Profaneness, impurity, or scandal, is not wit.… … The Collaborative International Dictionary of English
impurity — index vice Burton s Legal Thesaurus. William C. Burton. 2006 … Law dictionary
impurity — (n.) mid 15c., thing which makes or is impure; c.1500, fact or quality of being impure, from M.Fr. impurité, from impur (see IMPURE (Cf. impure)). Related: Impurities … Etymology dictionary
impurity — [n] contaminant adulteration, contamination, corruption, defilement, dirt, filth, foreign matter, grime, pestilence, poisoning, pollutant, pollution, scum, stain, taint, uncleanness; concepts 230,306,674 … New thesaurus
impurity — ► NOUN (pl. impurities) 1) the quality or condition of being impure. 2) a thing which impairs the purity of something … English terms dictionary
impurity — [im pyoor′ə tē] n. [OFr impurité < L impuritas] 1. the state or quality of being impure 2. pl. impurities an impure thing or element … English World dictionary
Impurity — (Roget s Thesaurus) < N PARAG:Impurity >N GRP: N 1 Sgm: N 1 impurity impurity Sgm: N 1 uncleanness uncleanness &c.(filth) 653 Sgm: N 1 immodesty immodesty Sgm: N 1 grossness grossness &c. >Adj. Sgm: N 1 indelicacy … English dictionary for students
Impurity — For other uses, see Impurity (disambiguation). Impurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound. Impurities are either naturally occurring or added … Wikipedia
impurity — UK [ɪmˈpjʊərətɪ] / US [ɪmˈpjʊrətɪ] noun Word forms impurity : singular impurity plural impurities 1) [countable] an amount of a substance, especially one that is not valuable or is of low quality, that is present in another substance new methods… … English dictionary
impurity — noun 1) the impurity of the cast iron Syn: adulteration, debasement, degradation, corruption; contamination, pollution 2) the impurities in beer Syn: contaminant, pollutant, foreign body, foreign matter; dross … Thesaurus of popular words
impurity — noun /ɪmˈpjɝɪti,ɪmˈpjuɹɪti/ a) The condition of being impure; because of contamination, pollution, adulteration or insufficient purification. Even animals in the Jewish system cause impurity only when they are dead … Wiktionary