دیکشنری فارسی

barium sulphate

ریشه و کاربرد

ریشه

The word 'barium' comes from the Greek word 'barys' meaning 'heavy'. 'Sulphate' is derived from the combination of 'sulph-' meaning 'sulfur' and '-ate' meaning 'compound'.

مثال

  • Barium sulphate is commonly used in X-ray examinations as a contrast agent.
  • The addition of barium sulphate to paint formulations improves their opacity.
  • Barium sulphate is a key ingredient in the production of white pigments.

تعریف انگلیسی

noun
  1. a white or colorless mineral (BaSO4); the main source of barium “Substance Meronyms: barium, Ba, atomic number 56”
  2. a white insoluble radiopaque powder used as a pigment

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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