Thi·o·kol 
(thīə-kôl′, -kōl′, -kŏl′)
(thīə-kôl′, -kōl′, -kŏl′) A trademark for any of various polysulfide polymers in the form of liquids, water dispersions, and rubbers used in seals and sealants.
- upon one's hands
- upon request
- upon the heels of
- upper
- upper atmosphere
- Upper Avon
- Upper Avon
- upper bound
- Upper California
- Upper California
- Upper Canada
- Upper Carboniferous
- uppercase
- upper class
- upper-class
- upperclassman
- upper crust
- upper-crust
- uppercut
- Upper Egypt
- upper GI series
- upper hand
- Upper Klamath Lake
- uppermost
- Upper Palatinate