PN -abbr

  1. promissory note

pneum- -comb form

  1. air : gas
    • pneumo thorax
  2. lung
    • pneumo coniosis
  3. respiration
    • pneumo graph
  4. pneumonia
    • pneumo coccus

pneu·ma ['nü-mə, 'nyü-] -n

  1. soul, spirit

pneumat- -comb form

  1. air : vapor : gas
    • pneumato lytic
  2. respiration
    • pneumato phore

pneu·mat·ic [nu̇-'ma-tik, nyu̇-] -adj, adv, n

  1. : of, relating to, or using gas (as air or wind):
  2. moved or worked by air pressure
  3. adapted for holding or inflated with compressed air
  4. having air-filled cavities
  5. of or relating to the pneuma : spiritual
  6. having a well-proportioned feminine figure
  7. having a full bust

pneu·ma·tol·o·gy [,nü-mə-'tä-lə-jē, ,nyü-] -n

  1. the study of spiritual beings or phenomena

pneu·ma·to·lyt·ic [,nü-mə-tə-'li-tik, ,nyü-; (,)n(y)ü-,ma-] -adj

  1. formed or forming by hot vapors or superheated liquids under pressure used esp. of minerals and ores

pneu·mat·o·phore [nu̇-'ma-tə-,fȯr, nyu̇-] -n

  1. a muscular gas-containing sac that serves as a float on a siphonophore colony
  2. a usu. partially exposed root of a wetland plant (as a mangrove) that functions esp. in the intake of oxygen from the atmosphere

pneu·mo·coc·cus [,nü-mə-'kä-kəs, ,nyü-] -n, adj

  1. a bacterium ( Streptococcus pneumoniae) that causes an acute pneumonia involving one or more lobes of the lung

pneu·mo·co·ni·o·sis [,nü-mō-,kō-nē-'ō-səs, ,nyü-] -n

  1. a disease of the lungs caused by the habitual inhalation of irritants (as mineral or metallic particles)

Pneu·mo·cys·tis ca·ri·nii pneumonia [,nü-mə-'sis-təs-kə-'rī-nē-,ē-, ,nyü-] -n

  1. a pneumonia chiefly affecting immunocompromised individuals that is caused by a microorganism ( Pneumocystis cariniisyn. P. jiroveci), attacks esp. the interstitial and alveolar tissues of the lungs, and is characterized esp. by a nonproductive cough, shortness of breath, and fever abbr. PCP

pneu·mo·graph ['nü-mə-,graf, 'nyü-] -n

  1. an instrument for recording thoracic movements or volume change during respiration

pneu·mo·nec·to·my [,nü-mə-'nek-tə-mē, ,nyü-] -n

  1. excision of an entire lung or of one or more lobes of a lung

pneu·mo·nia [nu̇-'mō-nyə, nyu̇-] -n

  1. a disease of the lungs characterized esp. by inflammation and consolidation of lung tissue followed by resolution and by fever, chills, cough, and difficulty in breathing and that is caused esp. by infection

pneu·mon·ic [nu̇-'mä-nik, nyu̇-] -adj

  1. of, relating to, or affecting the lungs
    • pneumonic plague
    : pulmonic, pulmonary
  2. of, relating to, or affected with pneumonia

pneu·mo·ni·tis [,nü-mə-'nī-təs, ,nyü-] -n

  1. inflammation of the lungs

pneu·mo·tho·rax [,nü-mə-'thȯr-,aks, ,nyü-] -n

  1. a condition in which air or other gas is present in the pleural cavity and which occurs spontaneously as a result of disease or injury of lung tissue, rupture of air-filled pulmonary cysts, or puncture of the chest wall or is induced as a therapeutic measure to collapse the lung

PnP -abbr

  1. plug and play

pnxt -abbr

  1. he painted it; she painted it