太たい陽よう年ねんたいようねんMeanings1nounsolar year; tropical yearastronomy›Astronomical term for the time it takes the Earth to complete one orbit around the Sun, measured from one vernal equinox to the next.太たい陽よう年ねんは約やく365.2422日にちです。A solar year is approximately 365.2422 days.
