12 words in this vocabulary list
adjective not inherent or essential; acquired or occurring by chance
noun a sign (ʻ) placed over a vowel to indicate that it is pronounced with aspiration or is long or high-toned
verb to pronounce with an audible puff of breath
adjective relating to or denoting a speech sound produced with an audible puff of breath
verb to block or fill with an excessive amount of something, causing overcrowding or obstruction
noun a sudden blocking of an artery or vein by a clot or foreign material which has been brought to the site of blockage by the blood current
noun a slimy substance, typically found in the nose and throat, that helps to protect and lubricate the mucous membranes
noun a passage in the nose through which air passes during breathing
noun something that occludes or closes up
adjective relating to or causing occlusion, especially of a blood vessel
noun a thick, sticky substance produced by the mucous membranes in the respiratory system, typically as a result of infection or irritation
noun a condition of being stifled or suppressed
verb to kill someone by covering their face so that they cannot breathe, or to die in this way
noun a potentially serious infectious disease that mainly affects the lungs but can also affect other parts of the body
noun tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
noun a syndrome affecting the lungs and breathing