noun, takes する, intransitive verb, takes genitive case の

  1. aging, senile deterioration.

Variations

Pronunciation Kanji Kana Is Common
老化 ろうか

Contained Kanji Breakdown

old man, old age, grow old
ロウ お.いる ふ.ける (4th, N3)
variant of radical 125
soil, earth, ground
ド つち は (1st, N5)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)
change, take the form of, influence
カ ば.ける ケ (3rd, N3)
human radical (no. 9)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)