transcription, транскрипция: [ ˌpī(-ə)r-ˌhē-lē-ˈä-mə-tər, ˌpir- ]
noun
Etymology: International Scientific Vocabulary
Date: 1863
: an instrument for measuring the sun's radiant energy as received at the earth
• pyr·he·lio·met·ric -lē-ə-ˈme-trik adjective