drip line

English dictionary entry

Meanings

noun
  1. On the table of nuclides, the limit beyond which an atomic nucleus will immediately decay by emitting a proton or neutron.
  2. The area defined by the outermost circumference of a tree canopy from where water drips onto the ground.
  3. A pipe that has small holes at intervals, used to irrigate crops.

Word forms

drip line drip lines
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