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A law stating that the intensity of an effect such as illumination or gravitational force changes in inverse proportion to the square of the distance from the source.
- ‘Airy, the Astronomer Royal, believed in another popular theory, namely that the inverse square law of gravitation began to break down over large distances.’
- ‘Hooke replied to Newton that his own theory involved an inverse square law for gravitational attraction.’
- ‘Electromagnetism has a classical inverse square law (like Newton's classical law of gravitational attraction), and infinite range.’
- ‘The law that Newton discovered was the inverse square law of gravitation - a simple law, but one with great mathematical beauty.’
- ‘He demonstrated an inverse square law for such forces and went on to examine perfect conductors and dielectrics.’
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.