Clumping

Clump or clumping may refer to:


 * Clumping (biology), an organic behavior
 * Wittenham Clumps, a small group of hills
 * Clumped isotopes (chemistry), heavy isotopes that are bonded to other heavy isotopes
 * "clump", an iamamiwhoami song
 * Transit vehicle clumping, when one public transport vehicle falls behind schedule, and another scheduled behind it meets it in the same location