The Collaborative International Dictionary of English v.0.48:

Accumulation \Ac*cu`mu*la"tion\, n. [L. accumulatio; cf. F.
   accumulation.]
   1. The act of accumulating, the state of being accumulated,
      or that which is accumulated; as, an accumulation of
      earth, of sand, of evils, of wealth, of honors.
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   2. (Law) The concurrence of several titles to the same proof.
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   Accumulation of energy or power, the storing of energy by
      means of weights lifted or masses put in motion;
      electricity stored.

   An accumulation of degrees (Eng. Univ.), the taking of
      several together, or at smaller intervals than usual or
      than is allowed by the rules.
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The Collaborative International Dictionary of English v.0.48:

Power \Pow"er\, n. (Zool.)
   Same as Poor, the fish.
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The Collaborative International Dictionary of English v.0.48:

Power \Pow"er\, n. [OE. pouer, poer, OF. poeir, pooir, F.
   pouvoir, n. & v., fr. LL. potere, for L. posse, potesse, to
   be able, to have power. See Possible, Potent, and cf.
   Posse comitatus.]
   1. Ability to act, regarded as latent or inherent; the
      faculty of doing or performing something; capacity for
      action or performance; capability of producing an effect,
      whether physical or moral: potency; might; as, a man of
      great power; the power of capillary attraction; money
      gives power. "One next himself in power, and next in
      crime." --Milton.
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   2. Ability, regarded as put forth or exerted; strength,
      force, or energy in action; as, the power of steam in
      moving an engine; the power of truth, or of argument, in
      producing conviction; the power of enthusiasm. "The power
      of fancy." --Shak.
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   3. Capacity of undergoing or suffering; fitness to be acted
      upon; susceptibility; -- called also passive power; as,
      great power of endurance.
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            Power, then, is active and passive; faculty is
            active power or capacity; capacity is passive power.
                                                  --Sir W.
                                                  Hamilton.
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   4. The exercise of a faculty; the employment of strength; the
      exercise of any kind of control; influence; dominion;
      sway; command; government.
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            Power is no blessing in itself but when it is
            employed to protect the innocent.     --Swift.
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   5. The agent exercising an ability to act; an individual
      invested with authority; an institution, or government,
      which exercises control; as, the great powers of Europe;
      hence, often, a superhuman agent; a spirit; a divinity.
      "The powers of darkness." --Milton.
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            And the powers of the heavens shall be shaken.
                                                  --Matt. xxiv.
                                                  29.
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   6. A military or naval force; an army or navy; a great host.
      --Spenser.
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            Never such a power . . .
            Was levied in the body of a land.     --Shak.
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   7. A large quantity; a great number; as, a power o? good
      things. [Colloq.] --Richardson.
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   8. (Mech.)
      (a) The rate at which mechanical energy is exerted or
          mechanical work performed, as by an engine or other
          machine, or an animal, working continuously; as, an
          engine of twenty horse power.
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   Note: The English unit of power used most commonly is the
         horse power. See Horse power.
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      (b) A mechanical agent; that from which useful mechanical
          energy is derived; as, water power; steam power; hand
          power, etc.
      (c) Applied force; force producing motion or pressure; as,
          the power applied at one and of a lever to lift a
          weight at the other end.
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   Note: This use in mechanics, of power as a synonym for force,
         is improper and is becoming obsolete.
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      (d) A machine acted upon by an animal, and serving as a
          motor to drive other machinery; as, a dog power.
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   Note: Power is used adjectively, denoting, driven, or adapted
         to be driven, by machinery, and not actuated directly
         by the hand or foot; as, a power lathe; a power loom; a
         power press.
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   9. (Math.) The product arising from the multiplication of a
      number into itself; as, a square is the second power, and
      a cube is third power, of a number.
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   10. (Metaph.) Mental or moral ability to act; one of the
       faculties which are possessed by the mind or soul; as,
       the power of thinking, reasoning, judging, willing,
       fearing, hoping, etc. --I. Watts.
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             The guiltiness of my mind, the sudden surprise of
             my powers, drove the grossness . . . into a
             received belief.                     --Shak.
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   11. (Optics) The degree to which a lens, mirror, or any
       optical instrument, magnifies; in the telescope, and
       usually in the microscope, the number of times it
       multiplies, or augments, the apparent diameter of an
       object; sometimes, in microscopes, the number of times it
       multiplies the apparent surface.
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   12. (Law) An authority enabling a person to dispose of an
       interest vested either in himself or in another person;
       ownership by appointment. --Wharton.
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   13. Hence, vested authority to act in a given case; as, the
       business was referred to a committee with power.
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   Note: Power may be predicated of inanimate agents, like the
         winds and waves, electricity and magnetism,
         gravitation, etc., or of animal and intelligent beings;
         and when predicated of these beings, it may indicate
         physical, mental, or moral ability or capacity.
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   Mechanical powers. See under Mechanical.

   Power loom, or Power press. See Def. 8
       (d), note.

   Power of attorney. See under Attorney.

   Power of a point (relative to a given curve) (Geom.), the
      result of substituting the coordinates of any point in
      that expression which being put equal to zero forms the
      equation of the curve; as, x^2 + y^2 - 100 is the
      power of the point x, y, relative to the circle x^2 +
      y^2 - 100 = 0.
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WordNet (r) 3.0 (2006):

power
    n 1: possession of controlling influence; "the deterrent power
         of nuclear weapons"; "the power of his love saved her";
         "his powerfulness was concealed by a gentle facade" [syn:
         power, powerfulness] [ant: impotence, impotency,
         powerlessness]
    2: (physics) the rate of doing work; measured in watts (=
       joules/second)
    3: possession of the qualities (especially mental qualities)
       required to do something or get something done; "danger
       heightened his powers of discrimination" [syn: ability,
       power] [ant: inability]
    4: (of a government or government official) holding an office
       means being in power; "being in office already gives a
       candidate a great advantage"; "during his first year in
       office"; "during his first year in power"; "the power of the
       president" [syn: office, power]
    5: one possessing or exercising power or influence or authority;
       "the mysterious presence of an evil power"; "may the force be
       with you"; "the forces of evil" [syn: power, force]
    6: a mathematical notation indicating the number of times a
       quantity is multiplied by itself [syn: exponent, power,
       index]
    7: physical strength [syn: might, mightiness, power]
    8: a state powerful enough to influence events throughout the
       world [syn: world power, major power, great power,
       power, superpower]
    9: a very wealthy or powerful businessman; "an oil baron" [syn:
       baron, big businessman, business leader, king,
       magnate, mogul, power, top executive, tycoon]
    v 1: supply the force or power for the functioning of; "The
         gasoline powers the engines"

The Free On-line Dictionary of Computing (19 January 2023):

POWER

   Performance Optimization with Enhanced RISC.  The IBM
   processor architecture on which PowerPC was based.