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Substance

n.
  1. That which underlies all outward manifestations; substratum; the permanent subject or cause of phenomena, whether material or spiritual; that in which properties inhere; that which is real, in distinction from that which is apparent; the abiding part of any existence, in distinction from any accident; that which constitutes anything what it is; real or existing essence.
  2. The most important element in any existence; the characteristic and essential components of anything; the main part; essential import; purport.
  3. Body; matter; material of which a thing is made; hence, substantiality; solidity; firmness; as, the substance of which a garment is made; some textile fabrics have little substance.
  4. Material possessions; estate; property; resources.
  5. (Theol.) Same as Hypostasis, 2.

v. t.
  1. To furnish or endow with substance; to supply property to; to make rich.