How do you pronounce 老化?

Q: How do you pronounce 老化? A: lou5 faa3, e.g.

老化 (lou5 faa3) — meaning, pronunciation, examples

老化 (lou5 faa3, lǎo huà) — (of a person, population or material) to age; (of knowledge) to become outdated

老交情 (lou5 gaau1 cing4) — Old friend; go way back
老人家 (lou5 jan4 gaa1) — (noun) General term to call a senior
老人成嫩仔 (lou5 jan4 sing4 nyun6 zai2) — rejuvenation
老人星 (lou5 jan4 sing1) — Canopus
老人精 (lou5 jan4 zing1) — describes a child who acts like an adult; a young but worldly person
老作 (lou5 zok3) — faking (spoken)