[pahy-ruh-mawr-fahyt] /ˌpaɪ rəˈmɔr faɪt/
a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.
a green, yellow, brown, or grey secondary mineral that consists of lead chloro-phosphate in the form of hexagonal crystals. Formula: Pb5Cl(PO4)3
[pahy-ruh-myoo-sik, pahy-] /ˈpaɪ rəˈmyu sɪk, ˌpaɪ-/ noun, Chemistry. 1. .
[pahy-rohn, pahy-rohn] /ˈpaɪ roʊn, paɪˈroʊn/ noun, Chemistry. 1. either of two heterocyclic ketones having the formula C 5 H 4 O 2 . /ˈpaɪrəʊn; paɪˈrəʊn/ noun 1. either of two heterocyclic compounds that have a ring containing five carbon atoms and one oxygen atom with two double bonds and a second oxygen atom attached to […]
[pahy-ruh-neen] /ˈpaɪ rəˌnin/ noun, Histology. 1. a xanthine dye used for detecting the presence of RNA. pyronine py·ro·nine (pī’rə-nēn’) or py·ro·nin (-nĭn) n. Any of several xanthene dyes that are ferric chloride complexes and are used in combination with methyl green to stain for RNA, DNA, and bacteria, and as a tracking dye for RNA […]
[pahy-rohp] /ˈpaɪ roʊp/ noun 1. a mineral, magnesium-aluminum garnet, Mg 3 Al 2 Si 3 O 1 2 , occurring in crystals of varying shades of red, and frequently used as a gem. /ˈpaɪrəʊp/ noun 1. a deep yellowish-red garnet that consists of magnesium aluminium silicate and is used as a gemstone. Formula: Mg3Al2(SiO4)3