English noun: barn |
1. | barn (artifact) an outlying farm building for storing grain or animal feed and housing farm animals |
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| Broader (hypernym) | farm building |
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| Narrower (hyponym) | byre, cow barn, cowbarn, cowhouse, cowshed, tithe barn |
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| Part holonym | hayloft, haymow, mow |
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2. | barn (quantity) (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter |
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| Synonyms | b |
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| Broader (hypernym) | area unit, square measure |
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| Domain category | atomic physics, nuclear physics, nucleonics |
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