单词	periodic acid
释义	periodic acid /ˌpəːrʌɪˈɒdɪk / noun [mass noun] Chemistry A hygroscopic solid acid with strong oxidizing properties. Chemical formula: H5IO6. Semi-thin sections were incubated first with periodic acid for 8 min, rinsed in distilled water and then treated in the dark with Schiff reagent for 15 min to reveal carbohydrates.... We also note that atherinomorphs have periodic acid Schiff-positive yolk, but the phylogenetic significance of this observation remains to be determined with further surveys. Origin Mid 19th century: from per- (sense 2) + iodic acid.
随便看	macher machera Mach, Ernst machete Machian Machiavel Machiavelic Machiavellian Machiavellianism Machiavellic Machiavelli, Niccolò Machiavellism Machiavello machicolated machicolation machicoulis polychromous polychromy polychronic polycistronic polyclad polyclimax polyclinic Polyclitus polyclonal

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。