Alternative spelling of Paraná pine

plural of Parana pine

(anatomy) Any of a number of air-filled spaces, or sinuses, within the bones of the skull and face.

plural of paranasal sinus

(mineralogy) An orthorhombic-pyramidal mineral containing oxygen, silicon, sodium, and titanium.

(mineralogy) A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, potassium, silicon, and sodium.

(chemistry, archaic) anthracene

near the anus

Of or relating to the paranasal sinuses, a group of four paired air-filled spaces that surround the nasal cavity.

Alternative form of paranesthesia