What is another word for eupnea?
Pronunciation: [jˈuːpni͡ə] (IPA) 
Eupnea, a term used in respiratory medicine, refers to normal and regular breathing. Several synonyms exist for this word which has its roots in Greek. The term 'eupnoea' is an alternative spelling used mainly in British English. Regular breathing can also be referred to as 'normal respiration' or 'unlabored respiration'. Other synonyms further describe the character of the breathing which is 'calm', 'steady', 'even', or 'smooth'. Additionally, the terms 'unobstructed breathing' or 'unimpaired ventilation' can be used to describe breathing that is free from any kind of obstruction or difficulty. Overall, these synonyms all describe the same process of regular and unimpeded breathing.
