Definition of pentaerythritol in US English:

pentaerythritol

(also pentaerithritol)

noun

Chemistry
  • A colourless, crystalline, synthetic compound, C(CH₂OH)₄, which is a tetrahydric alcohol and is used as a raw material in chemical manufacture, especially of paints and varnishes.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From penta- + erythritol, after German Penta-Erythrit.

Pronunciation

pentaerythritol

/ˌpɛntə(r)ɛˈrɪθrɪtɒl/