[ad_1] noun, plural bo·rax·es, bo·ra·ces [bawruh-seez, bohr-] /ˈbɔr əˌsiz, ˈboʊr-/.
  1. 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.


  1. cheap, showy, poorly made merchandise, especially cheaply built furniture of an undistinguished or heterogeneous style.

noun plural -raxes or -races (-rəˌsiːz)

  1. Also called: tincal 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
  2. pure disodium tetraborate

late 14c., from Anglo-French boras, from Medieval Latin baurach, from Arabic buraq, applied by the Arabs to various substances used as fluxes, probably from Persian burah. Originally obtained in Europe from the bed of salt lakes in Tibet.


  1. Sodium borate.

  1. A white, crystalline powder and mineral used as an antiseptic, as a cleansing agent, and in fusing metals and making heat-resistant glass. The mineral is an ore of boron and also occurs in yellowish, blue, or green varieties. Chemical formula: Na2B4O7·10H2O.

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