boundary layer

1. 1.

   the layer of slower flow of a fluid past a surface

   Broaderphysical phenomenon

Questions about boundary layer

What does boundary layer mean?

boundary layer means "the layer of slower flow of a fluid past a surface".

Is boundary layer a common word?

boundary layer is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.