Dol·by 
(dōlbē)
(dōlbē) A trademark for an electronic device that eliminates noise from recorded sound and audio signals.
- three sheets to/in the wind
- three sheets to the wind
- Three Sisters
- threesome
- three-square
- three squares a day
- three-toed sloth
- three way
- three-way
- three-wheeler
- thremmatology
- threnodial
- threnodic
- threnodist
- threnody
- threonine
- thresh
- thresher
- thresher shark
- threshing machine
- threshold
- threw
- thrice
- thrift
- thriftily