収しゅう斂れん進しん化かMeaningsNoun1. convergent evolutionKanji used収obtain斂stiffen進advance化transformationComposed of収しゅう斂れんastringency; constriction; contraction; collecting (e.g. opinions); putting together; summarizing; collection (of taxes); convergence (of light); convergenceNoun進しん化かevolution; becoming more advanced; progress; development; improvementNoun