凝固 nínggù to freeze
to freeze; to solidify; to congeal; figuratively with rapt attention
How to remember 凝固: 凝 to coagulate + 固 to solidify = to freeze.
Characters
How it is used
- 'To solidify / congeal' from liquid to solid - 血液凝固 (xuèyè nínggù) blood clotting, 水泥凝固 cement setting.
- Figuratively 'to freeze in place': 时间仿佛凝固了 (time seemed to stand still). The 凝 words all involve coagulating/gathering into a mass.