titanic acid 
(tī-tănĭk, -tānĭk, tĭ-)
(tī-tănĭk, -tānĭk, tĭ-)n.
A powdered white inorganic acid, Ti(OH)4, derived from an acid solution of titanates and used as a mordant.
- undergird
- underglaze
- undergo
- undergrad
- undergraduate
- underground
- Underground Railroad
- undergrown
- undergrowth
- underhair
- underhand
- underhanded
- underhandedly
- underhandedness
- under hat
- underhung
- underinsurance
- underinsured
- under/in the circumstances
- underived
- underkill
- underlaid
- underlain
- underlay
- underlay