Where does this definition of at concert pitch come from?
This entry for at concert pitch is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is at concert pitch a noun, verb, or something else?
In this entry, at concert pitch is tagged as 2adv..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.