12-Letter Words Starting With T

Here's the list of all the 954 12-Letter Words Starting With T in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
transmission
1. the act of sending a message; causing a message to be transmitted
2. communication by means of transmitted signals
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transactions
1. a written account of what transpired at a meeting
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thanksgiving
1. a short prayer of thanks before a meal
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transparency
1. permitting the free passage of electromagnetic radiation
2. the quality of being clear and transparent
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transvestite
1. someone who adopts the dress or manner or sexual role of the opposite sex
2. receiving sexual gratification from wearing clothing of the opposite sex
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transitional
1. of or relating to or characterized by transition
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transferring
1. transfer somebody to a different position or location of work
2. move from one place to another
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tuberculosis
1. infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)
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testosterone
1. a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics
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transmitting
1. transfer to another
2. transmit or serve as the medium for transmission
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transferable
1. capable of being moved or conveyed from one place to another
2. legally transferable to the ownership of another
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therapeutics
1. branch of medicine concerned with the treatment of disease
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transduction
1. (genetics) the process of transferring genetic material from one cell to another by a plasmid or bacteriophage
2. the process whereby a transducer accepts energy in one form and gives back related energy in a different form
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tremendously
1. vastly
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thunderstorm
1. a storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning
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technologist
1. a person who uses scientific knowledge to solve practical problems
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troubleshoot
1. solve problems
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thoroughbred
1. a well-bred person
2. a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares
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thoughtfully
1. in a thoughtful manner
2. showing consideration and thoughtfulness
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totalitarian
1. of or relating to the principles of totalitarianism according to which the state regulates every realm of life
2. an adherent of totalitarian principles or totalitarian government
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tetracycline
1. an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
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tranquillity
1. an untroubled state; free from disturbances
2. a state of peace and quiet
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trigonometry
1. the mathematics of triangles and trigonometric functions
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thermocouple
1. a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference
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transcendent
1. exceeding or surpassing usual limits especially in excellence
2. beyond and outside the ordinary range of human experience or understanding
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truthfulness
1. the quality of being truthful
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triglyceride
1. glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body
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theophylline
1. a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
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thoroughfare
1. a public road from one place to another
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transference
1. (psychoanalysis) the process whereby emotions are passed on or displaced from one person to another; during psychoanalysis the displacement of feelings toward others (usually the parents) is onto the analyst
2. transferring ownership
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thermostatic
1. of or relating to a thermostat
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togetherness
1. affectionate closeness
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thoroughness
1. conscientiousness in performing all aspects of a task
2. property of being marked by full detail, complete in all respects.
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theosophical
1. of or relating to theosophy
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triumphantly
1. in a triumphant manner
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thermography
1. diagnostic technique using a thermograph to record the heat produced by different parts of the body; used to study blood flow and to detect tumors
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thematically
1. with regard to thematic content
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tracheostomy
1. a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes
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testamentary
1. of or relating to a will or testament or bequeathed by a will or testament
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technicality
1. the state of being technical as in the use of technical terms or methods
2. a specific detail in a set of rules or terms belonging to a particular field
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transaminase
1. a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound)
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thrombolytic
1. a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle
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technobabble
1. technical jargon from computing and other high-tech subjects
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troublemaker
1. someone who deliberately stirs up trouble
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tercentenary
1. the 300th anniversary (or the celebration of it)
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transitivity
1. (logic and mathematics) a relation between three elements such that if it holds between the first and second and it also holds between the second and third it must necessarily hold between the first and third
2. the grammatical relation created by a transitive verb
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thankfulness
1. warm friendly feelings of gratitude
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thrombolysis
1. the process of breaking up and dissolving blood clots
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transposable
1. capable of changing sequence
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transversely
1. in a transverse manner
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teleological
1. of or relating to teleology
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toxicologist
1. one who studies the nature and effects of poisons and their treatment
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12-Letter Words Starting With T