1. the process or result of becoming red

1. present participle of redden; becoming red or making something red

Examples

• The reddening of her cheeks showed her embarrassment.
• We noticed a gradual reddening of the sky at sunset.
• His face was reddening with anger.
• The leaves are reddening as autumn approaches.
• The reddening skin indicated a mild sunburn.
• She felt her cheeks reddening during the presentation.
• The reddening of the meat showed it was cooking properly.