[pur-ahy-od-ik, pur-] /ˈpɜr aɪˈɒd ɪk, ˌpɜr-/
any of a series of acids derived from I 2 O 7 by the addition of water molecules, as HIO 4 or H 5 IO 6 .
any of various oxyacids of iodine containing a greater proportion of oxygen than iodic acid and differing from each other in water content, esp either of the crystalline compounds HIO4 (metaperiodic acid) and H5IO6 (paraperiodic acid)
periodic acid per·i·od·ic acid (pûr’ī-ŏd’ĭk)
A white, crystalline inorganic acid that contains iodine and is used as an oxidizer.
- Periodic acid-schiff
periodic acid-Schiff per·i·od·ic acid-Schiff (pûr’ē-ŏd’ĭk) adj. Abbr. PAS Of, relating to, or being a reaction that tests for polysaccharides and related substances through the treatment of tissue sections with periodic acid stain and Schiff’s reagent.
[peer-ee-od-i-kuh l] /ˌpɪər iˈɒd ɪ kəl/ noun 1. a magazine or other journal that is issued at regularly recurring intervals. adjective 2. published at regularly recurring intervals. 3. of or relating to such publications. 4. 1 . /ˌpɪərɪˈɒdɪkəl/ noun 1. a publication issued at regular intervals, usually monthly or weekly adjective 2. of or relating […]
noun 1. .
[peer-ee-od-ik] /ˌpɪər iˈɒd ɪk/ adjective 1. recurring at intervals of time: periodic revivals of an interest in handicrafts. 2. occurring or appearing at regular intervals: periodic visits by doctors to the village. 3. repeated at irregular intervals; intermittent: periodic outbreaks of the disease. 4. Physics. recurring at equal intervals of time. 5. Mathematics. (of a […]