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Noun: point mass
  1. The concept of either matter that is infinitely small, or an object which can be thought of as infinitely small.
    "However unlike point particles, point mass can only apply to an object that is infinitely small.";
    - pointlike mass

Type of: matter

Encyclopedia: Point mass

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poinsettia strain
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point of apoapsis
point of departure
point of entry
point of honor
point of honour
point of intersection
point of no return
point of order