[pahy-rek-see-uh] /paɪˈrɛk si ə/
a technical name for fever
“fever,” 1769, medical Latin, from Greek pyrexis “feverishness,” from pyressein “to be feverish, to be ill of fever,” from pyretos “fever, burning heat,” related to pyr “fire” (see fire (n.)).
pyrexia py·rex·i·a (pī-rěk’sē-ə)
py·rex’i·al or py·rex’ic adj.
/ˌpɜːdʒɪˈɒmɪtə/ noun 1. (physics) an instrument for measuring the loss of heat by radiation from the earth’s surface
n. “one versed in the structure and history of towers,” 1877, from Greek pyrgos “a tower; highest point of a building” + -ologist. It seems to have been used once, in the “Athenaeum” of Aug. 18, and then forgotten except in the dictionary.
[pahyuh r-hee-lee-om-i-ter, pir-] /ˌpaɪər hi liˈɒm ɪ tər, ˌpɪr-/ noun, Astrophysics. 1. an instrument for measuring the total intensity of the sun’s energy radiation. /pəˌhiːlɪˈɒmɪtə/ noun 1. an instrument for measuring the intensity of the sun’s radiant energy pyrheliometer (pīr’hē-lē-ŏm’ĭ-tər) An instrument used to measure the total amount of radiation from the Sun that hits […]
[pir-uh-ben-zuh-meen, pahy-ruh-] /ˌpɪr əˈbɛn zəˌmin, ˌpaɪ rə-/ Pharmacology, Trademark. 1. a brand of .