Glossary · Nouns · T
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TermTypeDefinitionClassificationsUpdated
Triggerfishnounany of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal finverified
Trigonnoun(astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degreesverified
Trigonometric FunctionnounMWEfunction of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angleverified
Trigonum CerebralenounMWEan arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodiesverified
Triiodothyroninenounthyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantityverified
Trimipraminenountricyclic antidepressant drug (trade name Surmontil) used to treat depression and anxiety and (sometimes) insomniaverified
Trimmernounjoist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.verified
Trimmer ArchnounMWEan arch built between trimmers in a floor (to support the weight of a hearth)verified
Trimmer JoistnounMWEjoist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.verified
Trine ImmersionnounMWEbaptism by immersion three times (in the names in turn of the Trinity)verified
Trinitroglycerinnouna heavy yellow poisonous oily explosive liquid obtained by nitrating glycerolverified
Trinitrotoluenenounexplosive consisting of a yellow crystalline compound that is a flammable toxic derivative of tolueneverified
Trip WirenounMWEa wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped oververified
Triphosphoric AcidnounMWEan acid that is a partial anhydride of three molecules of phosphoric acidverified
Triple CrownnounMWEin baseball, an unofficial title won by a batter who leads the league in hitting average, runs batted in, and home runsverified
Triple DESnounMWEAn implementation of the Data Encryption Standard (DES) algorithm that uses three passes of the DES algorithm instead of one as used in ordinary DES applications. Triple DES provides much stronger encryption than ordinary DES but it is less secure than AES.Control
Triple JumpnounMWEan athletic contest in which a competitor must perform successively a hop and a step and a jump in continuous movementverified
Triple-WrappednounS/MIME usage: data that has been signed with a digital signature, and then encrypted, and then signed again.DataRegulated
Triplet CodenounMWEthe normal version of the genetic code in which a sequence of three nucleotides codes for the synthesis of a specific amino acidverified
Tripletailnounlarge food fish of warm waters worldwide having long anal and dorsal fins that with a caudal fin suggest a three-lobed tailverified
Triplicitynoun(astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degreesverified
Trippernoun(slang) someone who has taken a psychedelic drug and is undergoing hallucinationsverified
Triptychnounart consisting of a painting or carving (especially an altarpiece) on three panels (usually hinged together)verified
Triquetral BonenounMWEa wrist bone that articulates with the pisiform and hamate and lunate bonesverified
Trisaccharidenounany of a variety of carbohydrates that yield three monosaccharide molecules on complete hydrolysisverified
Triskelenouna figure consisting of three stylized human arms or legs (or three bent lines) radiating from a centerverified
Triskelionnouna figure consisting of three stylized human arms or legs (or three bent lines) radiating from a centerverified
Trisodium OrthophosphatenounMWEthe tertiary phosphate of sodium used as a builder in soaps and detergentsverified
Trisodium PhosphatenounMWEthe tertiary phosphate of sodium used as a builder in soaps and detergentsverified
Trisomynounchrosomal abnormality in which there is one more than the normal number of chromosomes in a cellverified
Tritanopianounrare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellowverified
Tritheismnoun(Christianity) the heretical belief that the Father and the Son and the Holy Spirit are three separate godsverified
Tritheistnounsomeone (not an orthodox Christian) who believes that the Father and Son and Holy Ghost are three separate godsverified
Tritonnounsmall usually bright-colored semiaquatic salamanders of North America and Europe and northern Asiaverified
Triumvirnounone of a group of three sharing public administration or civil authority especially in ancient Romeverified
Triumviratenouna group of three men responsible for public administration or civil authorityverified
Trivalent Live Oral Poliomyelitis VaccinenounMWEan oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitisverified
Triviumnoun(Middle Ages) an introductory curriculum at a medieval university involving grammar and logic and rhetoricverified
Trochanternounone of the bony prominences developed near the upper extremity of the femur to which muscles are attachedverified
Trochlearnouneither of the two cranial nerves on either side that control the superior oblique muscles of the eyesverified