Nyctophonia definitions

nyctophonia

(nik″to-fo´ne-ә) loss of voice during the day but not at night.
Found on http://www.encyclo.co.uk/local/21001

---

nyctophonia

nyctophonia An elective mutism with the loss of one's voice during the day but not at night.
Found on http://www.wordinfo.info/words/index/info/view_unit/2563/2

---