molecular weight

ریشه

The word 'molecular' comes from the Latin word 'molecula', meaning 'a small mass'. 'Weight' comes from the Old English word 'wiht', meaning 'a thing'.

مثال

• The molecular weight of water is approximately 18 atomic mass units.
• Scientists use the concept of molecular weight to determine the composition of compounds.
• Calculating the molecular weight of a substance is essential in many scientific fields.