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tonometer an instrument that measures a sound's pitch, esp. a tuning fork or a set of tuning forks. [3 definitions]
tonsil either of two masses of spongy tissue that are situated on either side of the throat near the back of the tongue, and that have a disputed function.
tonsillectomy the surgical removal of the tonsils.
tonsillitis inflammation of the tonsils.
tonsorial of or pertaining to barbers or barbering (often used for humorous overstatement).
tonsure the act of cutting the hair or shaving the head, esp. the crown, or the state resulting therefrom. [3 definitions]
tontine an annuity or life insurance plan in which subscribers contribute to and share equally in a common fund, with all benefits going to the last survivor or those surviving past a specified time. [2 definitions]
tonus the slight, continuous tension of relaxed muscles that enables them to respond to stimulation.
too in addition; as well; also. [4 definitions]
took past tense of take.
tool an instrument, such as a hammer, drill, or other hand-held device, used for doing work. [8 definitions]
toolbox a portable, usu. compartmentalized container for hand tools.
toolmaker a skilled machinist who makes and maintains tools, dies, parts, and the like.
toolroom a room in which tools are stored or, in a machine shop, where they are made and repaired.
toolshed a small building, often behind a house, in which tools and equipment are stored; tool house.
to one's name belonging to one.
toot to make a quick, short sound on a horn or whistle. [9 definitions]
tooth one of the hard, white, bonelike objects rooted in rows in the jaws of vertebrates, used for biting and chewing. [5 definitions]
toothache a pain in or close to a tooth.
toothbrush a brush with a short narrow head and a long handle, used to clean the teeth.
toothed having teeth or projections like teeth, usu. of a specified kind or quantity (often used in combination).