-ˌgraf noun
Etymology: International Scientific Vocabulary pneum- + -graph
: an instrument for recording the thoracic movements or volume change during respiration
-ˌgraf noun
Etymology: International Scientific Vocabulary pneum- + -graph
: an instrument for recording the thoracic movements or volume change during respiration
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012