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1.
As an ending of participles or participial adjectives it is equivalent to -ed; as, situate or situated; animate or animated.
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2.
As the ending of a verb, it means to make, to cause, to act, etc.; as, to propitiate (to make propitious); to animate (to give life to).
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3.
As a noun suffix, it marks the agent; as, curate, delegate. It also sometimes marks the office or dignity; as, tribunate.
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4.
In chemistry it is used to denote the salts formed from those acids whose names end -ic (excepting binary or halogen acids); as, sulphate from sulphuric acid, nitrate from nitric acid, etc. It is also used in the case of certain basic salts.