See Also:

tri- (iou)



tri- prefix.
adjective (Botany) having three pistils L18.
adjective belonging to or lasting three nights E17.
tri'nodal adjective having three nodes M17.
tri'nucleotide noun (Biochemistry) an oligonucleotide containing three nucleotides E20.
trionymal adjective (rare) having three names; spec. = TRINOMIAL adjective 2: M17.
tripa'rental adjective (Microbiology) involving or resulting from the simultaneous infection of a bacterium by three different bacteriophages M20.
tri'petalous adjective (Botany) having three petals E18.
triphy'letic adjective (Biology) derived from three different genetic stocks E20.
tri'radial adjective = triradiate L19.
tri'radiate adjective having or consisting of three rays; extending in three directions from a central point: M19.
tri'radius noun, pl. -radii , in dermatoglyphics, a point from which dermal ridges radiate in three directions at roughly equal angles M20.
tri'sepalous adjective (Botany) having three sepals M19.
tri'septate adjective having three septa or partitions L19.
tri'stearin noun [STEARIN] Chemistry the triglyceride formed by addition of three stearic acid residues to a molecule of glycerine, which is the chief constituent of tallow or suet M19.
tri'stylous adjective (Botany) having three styles or kinds of style L19.
tri'substituted adjective (Chemistry) having three substituents in the molecule E20.
trisulcate adjective having three branches, three-forked; Botany & Zoology marked or divided by three furrows or grooves: E18.
tri'ternate adjective (Botany) biternate with the secondary divisions themselves being ternate M18.
tri'terpane noun (Chemistry) a terpane with the formula C30H60, analogous to the triterpenes M20.
tri'terpene noun (Chemistry) any of the group of terpenes of formula C30H48, found in plant gums and resins, or their derivatives E20.
tri'terpenoid adjective & noun (Chemistry) (designating) a triterpene or a derivative of one M20.
tritu'bercular adjective = trituberculate L19.
tritu'berculate adjective (Zoology) (of a tooth) having three cusps; characterized by such teeth: M19.