tri or band or tri or bands or tri or bandstrial and errortrial holetriangletriangle testtriangular contingency tabletriangular coordinatestriangular distributiontriangular inequalitytriangular plottriangulated irregular networktriangulationtriangulation irregular network or tin or tintriangulation measurement systemtriangulitetriassic period or triassic or triassictriaxial apparatustriboluminescencetribrachtributarytricamera photographytriceratopstrichopteratriclinic system or triclinic or triclinictriconic bit or cross roller bit or cross roller bittridiagonal matrixtridymitetriefficiencytrigamma functiontrigonitetrigonometrictrigonometric levelingtrigonometric momentstrikalsilitetrilithionitetrilobitetrim arraytrim or loss problemtrimeantrimeritetrimetrogontrimmedtrimmed meantrimounsitetrinetrinomial distributiontrip attractiontrip distributiontrip distribution modletrip generation
