مادة
a particular kind of matter with uniform properties
noun
أمثلة:
• The lab identified an unknown substance in the water sample.
• Asbestos is a hazardous substance that is now banned in construction.
جوهر
the quality of being important, valid, or significant
noun
أمثلة:
• His speech was long but lacked substance.
• There is little substance to the accusations made against her.