tri-, tre-
(Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3)
						triploid					
					
						1. In genetics, having three times the haploid number of chromosomes in the cell nucleus.
2. Possessing three representatives of each chromosome.
									2. Possessing three representatives of each chromosome.
						triploidy					
					
						The presence of three haploid sets of chromosomes, instead of two, in all cells; results in fetal or neonatal death.					
									
						triplopia					
					
						Visual defect in which three images of the same object are seen.					
									
						triply					
					
						tripod					
					
						1. A three-legged vessel; a pot or cauldron resting on three legs; a similar ornamental vessel, often presented as a prize, or as a votive offering.
2. A seat, table, or other similar structure with three legs; especially, a three-legged stool.
3. A three-legged support of any kind; especially, a frame or stand with three (diverging) legs, usually hinged at the top, for supporting a camera, compass, or other apparatus.
4. Having or resting upon three feet or legs; three-footed, three-legged; of the form of a tripod.
  
					
									2. A seat, table, or other similar structure with three legs; especially, a three-legged stool.
3. A three-legged support of any kind; especially, a frame or stand with three (diverging) legs, usually hinged at the top, for supporting a camera, compass, or other apparatus.
4. Having or resting upon three feet or legs; three-footed, three-legged; of the form of a tripod.
 
						tripodal					
					
						Of the form of, or pertaining to, a tripod; three-footed, three-legged.					
									
						tripodia					
					
						Condition seen in conjoined twins when fusion has merged the lower extremities on the joined sides to form a single foot, so that there are only three feet for the two bodies.					
									
						Tripoli					
					
						1. A historical region of northern Africa roughly coextensive with the ancient region of Tripolitania.
2. Capital of Libya and the largest city in the country, located in northwestern Libya.
3. Literally, Latin for "three cities".
									2. Capital of Libya and the largest city in the country, located in northwestern Libya.
3. Literally, Latin for "three cities".
						Tripolitania, Tripolitanian					
					
						A historical region of northern Africa bordering on the Mediterranean Sea. Originally a Phoenician colony, it was later held by Carthage, Numidia, and Rome (after 46 B.C.). 
									Tripolitania fell to the Vandals in A.D. 435, to the Arabs in the seventh century, and finally to the Ottoman Turks in 1553.
						triprosopus					
					
						Fetus with three heads fused, leaving only parts of three faces.					
									
						triquetrous					
					
						Triangular.					
									
						triradial, triradiate					
					
						Radiating in three directions.					
									
						trireme					
					
						In ancient Greece, a vessel with three banks of oars on each side.					
									
						trisect					
					
						To divide or cut into three parts; especially, into three equal parts.					
									
						trisection					
					
						One of three parts.					
									
		
