hy·gro·met·ric \|hīgrə|me.trik\adjective alsohy·gro·met·ri·cal\-rə̇kəl\ Etymology: probably from French hygrométrique, from hygrométrie hygrometry + -ique -ic, -ical 1.: of or relating to hygrometry or to humidity 2.: hygroscopic • hy·gro·met·ri·cal·ly\-rə̇k(ə)lē\adverb