impurity
 noun
 impureza
EN To achieve that end, scientists needed to do fundamental research on the nature of defects and impurities in materials --but with a very well-defined practical objective (i.e., communications).
GL Tamén realizar traballos de investigación fundamental sobre a natureza dos defectos ou as impurezas do vidro, con fins prácticos moi precisos.
 Fonte: C20 (210)
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improvement, improvisation, improvise, imprudent, impulse, impulsive, impulsively, impunity, impure, impurity, imputate, imputation, in, inability, inaccessible, inaccuracy, inaccurate, inaccurately, inactive