Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of principial is as below...

Principial :: Principial (a.) Elementary.

Margin :: Margin (n.) Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc..

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