pyrheliometer /pir-hē-li-omˈi-tər or pīr-hē-li-omˈi-tər/

An instrument for measuring the heating effect of the sun's rays

pyrheliometric /-ō-metˈrik/ adjective

• arquebusier
• arquebusiers
• arr.
• ARR
• arracacha
• arracachas
• arrack
• arracks
• arragonite
• arrah
• arraign
• arraigned
• arraigner
• arraigners
• arraigning
• arraignings
• arraignment
• arraignments
• arraigns
• arrange
• arrangeable
• arranged
• arranged marriage
• arranged marriages
• arrangement