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	scrotum scrounge scrounger scrub scrub-bash scrubber scrubbing brush scrub-bird scrub block scrub brush scrub bull scrubby scrub cutter scrub-dash scrub fire scrubfowl scrub itch scrub jay scrubland scrub nurse scrub oak scrub plain scrub roller scrub suit scrub-turkey

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。