[pahy-roh-suhl-fyoo r-ik] /ˌpaɪ roʊ sʌlˈfyʊər ɪk/
of or derived from ; disulfuric.
noun, Chemistry. 1. an oily, hygroscopic, corrosive liquid, H 2 S 2 O 7 , that, depending on purity, is colorless or dark brown: used chiefly as a dehydrating agent in the manufacture of explosives and as a sulfating or sulfonating agent in the manufacture of dyes. pyrosulfuric acid (pī’rō-sŭl-fyr’ĭk) A heavy, oily, colorless to […]
/ˌpaɪrəʊˈsʌlfeɪt/ noun 1. any salt of pyrosulphuric acid Also called disulphate
- Pyrosulphuric acid
/ˌpaɪrəʊsʌlˈfjʊərɪk/ noun 1. a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7 Also called disulphuric acid See also fuming sulphuric acid
[pahy-ruh-tek-nik] /ˌpaɪ rəˈtɛk nɪk/ adjective 1. of or relating to . 2. pertaining to, resembling, or suggesting fireworks. adj. 1704, “of or pertaining to fire;” 1825, “of or pertaining to fireworks,” from pyro- + Greek tekhnikos “made by art,” from tekhne “art” (see techno-). Figurative use attested from 1847. Related: Pyrotechnical (1610s, from pyrotechny “use […]