以防 Traditional form: 以防 Pinyin (reading): yǐfáng Definitions: (so as) to avoid to prevent (just) in case Characters: 以 - according to; so as to; because of; then 防 - to protect, to defend, to guard against Traditional characters: 以 - according to; so as to; because of; then 防 - to protect, to defend, to guard against