[pahy-ruh-foh-bee-uh] /ˌpaɪ rəˈfoʊ bi ə/
an abnormal fear of fire.
“morbid fear or fire,” 1871, from pyro- + -phobia.
pyrophobia py·ro·pho·bi·a (pī’rə-fō’bē-ə)
An abnormal fear of fire.
pyrophosphatase py·ro·phos·pha·tase (pī’rə-fŏs’fə-tās’, -tāz’) n. Any of various enzymes that selectively cleave a pyrophosphate situated between two phosphoric groups, leaving one phosphoric group on each of the two fragments.
[pahy-ruh-fos-feyt] /ˌpaɪ rəˈfɒs feɪt/ noun, Chemistry. 1. a salt or ester of . /ˌpaɪrəʊˈfɒsfeɪt/ noun 1. any salt or ester of pyrophosphoric acid pyrophosphate py·ro·phos·phate (pī’rə-fŏs’fāt’) n. Abbr. PP A salt or an ester of pyrophosphoric acid. pyrophosphate (pī’rə-fŏs’fāt’) A salt or ester of pyrophosphoric acid, containing the group P2O7.
[pahy-roh-fos-fawr-ik, -for-, pahy-] /ˈpaɪ roʊ fɒsˈfɔr ɪk, -ˈfɒr-, ˌpaɪ-/ noun, Chemistry. 1. a crystalline, water-soluble powder, H 4 P 2 O 7 , formed by the union of one molecule of phosphorus pentoxide with two molecules of water. /ˌpaɪrəʊfɒsˈfɒrɪk/ noun 1. a crystalline soluble solid acid formed by the reaction between one molecule of phosphorus […]
[pahy-roh-foh-tom-i-ter] /ˌpaɪ roʊ foʊˈtɒm ɪ tər/ noun, Physics. 1. a form of pyrometer that measures temperature by optical or photometric means. /ˌpaɪrəʊfəʊˈtɒmɪtə/ noun 1. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits