chemical substance

ریشه

From 'chemical', derived from Medieval Latin 'chymicus' + 'substance', from Latin 'substantia' meaning 'being, essence'.

مثال

• Water is a chemical substance composed of hydrogen and oxygen.
• The chemical substance was identified as sulfuric acid.
• The laboratory tests chemical substances for purity.

ترکیب‌های رایج

Chemical substance analysis Chemical substance identification Chemical substance testing Chemical substance disposal