(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 .
[pahy-rik, pir-ik] /ˈpaɪ rɪk, ˈpɪr ɪk/ adjective 1. of, relating to, or resulting from burning.