Internal Energy

Science / Chemistry / Internal Energy: Internal energy (U) is defined so that changes in internal energy (deltau) are equal to the heat absorbed or released by a process running at constant volume. While changes in internal energy can be measured using calorimetry, absolute values of internal energy usually cannot be determined. Changes in internal energy are equal to the heat transferred plus the work done for any process.

Other Words for Energy

Energy Verb Synonyms: vitality, forcefulness, vivacity, liveliness, vigor, animation, spirit, force, dynamism, drive, verve, dash, intensity, power, determination, puissance, strength, might, pep, vim and vigor, stick-to-it-iveness, get-up-and-go, zip, zing
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internal martial art

Health / Tai Chi / internal martial art: As opposed to an external martial art, a form that is based on development of internal energy rather than external force. MORE

Helmholtz Free Energy

Science / Chemistry / Helmholtz Free Energy: A thermodynamic property that can be used to predict whether a process will occur spontaneously at constant volume and temperature. Helmholtz free energy A is defined as A = U - TS where U, T and S ar MORE

Internal Rate Of Return (IRR)

Business / Finance / Internal Rate Of Return (IRR): Dollar-weighted rate of return. Discount rate at which net present value (NPV) investment is zero. The rate at which a bond's future cash flows, discounted back to today, equal its price. MORE

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