plu·vi·o·met·ric \|plüvēə|me.trik\adjective alsoplu·vi·o·met·ri·cal\-rə̇kəl\ Etymology: International Scientific Vocabulary pluvi- + -metric, -metrical : of, relating to, or used in the measurement of rainfall • plu·vi·o·met·ri·cal·ly\-rə̇k(ə)lē\adverb