difference - a disagreement or argument about anything essential; "he experienced a dispute with his spouse"; "there were irreconcilable differences"; "the common conflict between Republicans and Democrats" These nouns make reference to an absence of correspondence or agreement. Difference is easily the most common: differences in shade and size; https://thermal-shock-testing00122.bloggactivo.com/35370866/facts-about-best-practices-for-thermal-shock-testing-revealed