trinitrotriazidobenzene1,3,5-Triazido-2,4,6-trinitrobenzene, an aromatic high explosive composed of a benzene ring with three azido groups and three nitro groups alternating around the ring.
trinityA group or set of three people or things; three things combined into one.
trinogamousPertaining to a committed relationship involving three people, often including a married couple.
trinomenA scientific name at the rank of subspecies: an expansion of a binomial name (a genus and a species) combined with the name of the subspecies; for example Anopheles gigas formosus or Homo sapiens sapiens.
trinomialConsisting of three names or parts or terms.
trioctileAn aspect of two planets with regard to the Earth when they are three octants, or three eighths of a circle (135 degrees), distant from each other.
trioculateHaving, or appearing to have, three eyes
triodeA thermionic valve containing an anode, a cathode, and a control grid; small changes to the charge on the grid control the flow from cathode to anode, which makes amplification possible.
triodiaAny grass of the genus Triodia native to Australia.
TriodionThe liturgical book used by the Eastern Orthodox Church, containing the propers for the fasting period preceding Easter and for the weeks leading up to the fast.
triorchidismA form of polyorchidism characterized by the presence of three testes.
triorchismThe condition of having three testicles.
trioseA sugar or saccharide containing three carbon atoms. Trioses are the smallest monosaccharides. Dihydroxyacetone and L-/D-glyceraldehyde are the only trioses.
triosephosphateAny phosphate of a triose, but especially glycerophosphate.
triosephosphateisomeraseAn enzyme that catalyzes the reversible interconversion of the triosephosphate isomers dihydroxyacetone phosphate and D-glyceraldehyde 3-phosphate.
triostinA bicyclic peptide with IUPAC name N-[(1R,4S,7R,11S,14R,17S,20R,24S)-2,4,12,15,17,25-hexamethyl-3,6,10,13,16,19,23,26-octaoxo-11,24-di(propan-2-yl)-20-(quinoxaline-2-carbonylamino)-9,22-dioxa-28,29-dithia-2,5,12,15,18,25-hexazabicyclo[12.12.4]triacontan-7-yl]quinoxaline-2-carboxamide
triovalA shape that is a hybrid of triangle and oval, sometimes used for motor racetracks.
trioxalateA salt containing three equivalents of oxalic acid to one equivalent of the basic element (or to one equivalent of a univalent basic radical).
trioxaneAny saturated six-membered heterocycle having three carbon atoms and three oxygen atoms
trioxaquineAny of a certain class of antimalarial drugs