plural of tet spell

(informal) silicon tetrachloride

(medicine) A cyanotic patient with tetralogy of Fallot due to significant obstruction of the right ventricular outflow tract.

(medicine) A noncyanotic patient with tetralogy of Fallot due to a lack of significant obstruction of the right ventricular outflow tract.

(geometry) A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.

(poetry) A line in a poem having four metrical feet. / (prosody) A poetic metre in which each line has four feet.

Alternative form of tête-à-tête

a rope, cable etc. that holds something in place whilst allowing some movement / (nautical, sailing) a strong rope or line that connects a sailor's safety harness to the boat's jackstay

to restrict something with a tether. / (Internet) to connect a cellular smartphone to another personal computer in order to give it access to a hotspot. / to connect something to something else.

(pathology, countable) A serious and often fatal disease caused by the infection of an open wound with the anaerobic bacterium Clostridium tetani, found in soil and the intestines and faeces of animals.