sight–read 
/ˈsaɪtˌri:d/ verb
sight–reads; sight–read /ˈsaɪtˌri:d/ verb /-ˌrɛd/ sight–read·ing /-ˌri:dɪŋ/ : to perform (written music) while reading it for the first time without practicing it [+ obj] ▪ The orchestra hired her because she could sight-read even the most difficult scores. [no obj] ▪ She sight-reads well.
— sight reader noun, plural ∼ -ers [count]
— sight–reading noun [noncount]
