The correct spelling of the term "pulmonitis pressure" is actually "pulmonary pressure". The mistake may have been due to the similar sound of "n" and "m" when spoken quickly. The word "pulmonary" refers to anything related to lungs and respiratory system, while "pressure" refers to the force exerted on a surface or area. In IPA phonetic transcription, the correct pronunciation of "pulmonary pressure" would be [pʊlmənɛri ˈprɛʃər]. It is important to use correct spelling and pronunciation in order to accurately communicate and understand medical terminology.
The variation in blood pressure occurring in an artery during the cardiac cycle; it is the difference between the systolic or maximum and diastolic or minimum pressures and varies normally between 25 and 40 mm. of mercury.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.