Noun
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a particular kind or species of matter with uniform properties
"shigella is one of the most toxic substances known to man"
-
what a communication that is about something is about
- subject matter -
considerable capital (wealth or income)
"he is a man of means"
-
material of a particular kind or constitution
"the immune response recognizes invading substances"
-
the idea that is intended
"What is the meaning of this proverb?"
-
the choicest or most essential or most vital part of some idea or experience
"the gist of the prosecutor's argument"
"the heart and soul of the Republican Party"
"the nub of the story"
- heart and soul - nitty gritty -
the real physical matter of which a person or thing consists
"DNA is the substance of our genes"