the bivalent group –O 2 –, derived from hydrogen peroxide.
[puh-rok-see-mon-oh-suhl-fyoo r-ik, -rok-see-mon-] /pəˈrɒk siˈmɒn oʊ sʌlˈfyʊər ɪk, -ˌrɒk siˌmɒn-/ noun, Chemistry. 1. (def 1).
[puh-rok-see-suhl-fyoo r-ik, -rok-] /pəˈrɒk si sʌlˈfyʊər ɪk, -ˌrɒk-/ noun, Chemistry. 1. (def 1).
- Peroxysulphuric acid
/pəˌrɒksɪsʌlˈfjʊərɪk/ noun 1. a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5 Also called (not in technical usage) persulphuric acid, Caro’s acid
[purp] /pɜrp/ noun, Police Slang. 1. the perpetrator of a crime. 1. . /pɜːp/ noun 1. (US & Canadian, informal) a person who has committed a crime n. American English police slang shortening of perpetrator (e.g. perp walk); by 1940s. noun A criminal engaged in a specific crime: The perp stood up, stepped back, took […]