9-letter words containing tri
- tricuspid — Also, tricuspidal. having three cusps or points, as a tooth. Compare bicuspid.
- tricyclic — pertaining to or embodying three cycles.
- tridactyl — having three fingers or toes, as certain reptiles.
- tridented — having three prongs
- tridentum — ancient name of Trent, Italy.
- tridymite — a polymorph of quartz occurring in the form of small crystals, commonly twinned, in siliceous volcanic rocks.
- triecious — of or relating to a species having male, female, and hermaphrodite flowers on different plants.
- triennial — occurring every three years.
- triennium — a period of three years.
- trierarch — the commander of a trireme.
- trieteric — occurring once every three years
- trifacial — trigeminal.
- trifocals — glasses with trifocal lenses
- trifolium — any leguminous plant of the temperate genus Trifolium, having leaves divided into three leaflets and dense heads of small white, yellow, red, or purple flowers: includes the clovers and trefoils
- triforium — (in a church) the wall at the side of the nave, choir, or transept, corresponding to the space between the vaulting or ceiling and the roof of an aisle, often having a blind arcade or an opening in a gallery.
- trigamist — a person who has three spouses at once
- trigamous — of or relating to trigamy or a trigamist.
- trigemini — facial nerves
- triggered — a small projecting tongue in a firearm that, when pressed by the finger, actuates the mechanism that discharges the weapon.
- trigonous — having three angles or corners, as a stem or seed; triangular.
- trigynian — relating to plants with three pistils, from the order Trigynia
- trigynous — (of a plant) having three pistils
- trihedral — having, or formed by, three planes meeting in a point: a trihedral angle.
- trihedron — the figure determined by three planes meeting in a point.
- trihybrid — a hybrid that differs from its parents in three genetic traits
- trihydric — (especially of alcohols and phenols) trihydroxy.
- trijugate — having three pairs of leaflets.
- trilinear — of, relating to, or bounded by three lines.
- trilithon — a prehistoric structure consisting of two upright stones supporting a horizontal stone.
- trillions — an exceptionally large but unspecified number
- trilobate — having three lobes.
- trilobite — any marine arthropod of the extinct class Trilobita, from the Paleozoic Era, having a flattened, oval body varying in length from 1 inch (2.5 cm) or less to 2 feet (61 cm).
- trim away — If you trim away or trim off parts of something, you cut them off, because they are not needed.
- trim rail — the lower row of pins or cleats on a pin rail, used for tying off or fastening lines after lowering scenery into position.
- trim size — the final size of a product after its unnecessary parts have been cut off or removed: The trim size of the book in 6½ inches by 9 inches.
- trimerous — Botany. (of flowers) having members in each whorl in groups of three.
- trimester — a term or period of three months.
- trimethyl — having three methyl groups
- trimetric — pertaining to or consisting of a trimeter or trimeters.
- trimmings — anything used or serving to decorate or complete: the trimmings of a Christmas tree.
- trimphone — a phone designed in the 1960s
- trinacria — an ancient name of Sicily.
- trination — celebration of Mass three times on the same day by the same priest.
- trinitrin — glyceryl trinitrate
- trinketer — a person who deals secretly or surreptitiously.
- trinketry — trinkets collectively.
- trinomial — Algebra. consisting of or pertaining to three terms.
- trionymal — having a name that consists of three separate parts
- trip line — (in lumbering) a line for freeing a dog hook from a log at a distance.
- triparted — divided into three parts.