[pahy-rom-i-ter] /paɪˈrɒm ɪ tər/
an apparatus for measuring high temperatures that uses the radiation emitted by a hot body as a basis for measurement.
an instrument for measuring high temperatures, esp by measuring the brightness (optical pyrometer) or total quantity (radiation pyrometer) of the radiation produced by the source. Other types include the resistance thermometer and the thermocouple
[pahy-ruh-mawr-fahyt] /ˌpaɪ rəˈmɔr faɪt/ noun 1. 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. /ˌpaɪrəʊˈmɔːfaɪt/ noun 1. a green, yellow, brown, or grey secondary mineral that consists of lead […]
[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 […]