vertigo
US
UK vertigo n: (dizziness, loss of balance)
SC 头晕 tóu yūn
SC 眩晕 tóu yūn ，xuàn yūn
Sarah avoids amusement park rides because she suffers from vertigo.
vertigo n: nonstandard (fear of heights)
SC 恐高 kǒng gāo
A feeling of vertigo seized me as I looked down from the top of the building.