- a white, water-soluble powder or crystals, hydrated sodium borate, Na2B4O7⋅10H2O, occurring naturally or obtained from naturally occurring borates; tincal: used as a flux, cleansing agent, in the manufacture of glass, porcelain, and enamel, and in tanning.
- cheap, showy, poorly made merchandise, especially cheaply built furniture of an undistinguished or heterogeneous style.
- a soluble readily fusible white mineral consisting of impure hydrated disodium tetraborate in monoclinic crystalline form, occurring in alkaline soils and salt deposits. Formula: Na 2 B 4 O 7 .10H 2 O
- pure disodium tetraborate