-ics
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A suffix used in forming the names of certain sciences, systems, etc., as acoustics, mathematics, dynamics, statistics, politics, athletics.
Mathematics have for their object the consideration of whatever is capable of being numbered or measured.
Ethics is the sciences of the laws which govern our actions as moral agents.
All parts of knowledge have their origin in metaphysics, and finally, perhaps, revolve into it.
Mechanics, like pure mathematics, may be geometrical, or may be analytical; that is, it may treat space either by a direct consideration of its properties, or by a symbolical representation.