咽いん頭とう逆ぎゃく流りゅうMeanings1nounlaryngopharyngeal reflux; pharyngeal refluxrare termmedicine›Medical term for reflux into the throat; rare in everyday language. Often discussed alongside 咽喉頭酸逆流.See also: 咽喉頭酸逆流咽いん頭とう逆ぎゃく流りゅうは、胃い酸さんがのどまで上あがってくる症しょう状じょうです。Laryngopharyngeal reflux is a condition in which stomach acid rises up to the throat.