OUTER BOUNDARY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does outer boundary mean? 

• OUTER BOUNDARY (noun)
  The noun OUTER BOUNDARY has 1 sense:

1. the outside boundary or surface of something

  Familiarity information: OUTER BOUNDARY used as a noun is very rare.

 Dictionary entry details 

• OUTER BOUNDARY (noun)

Sense 1

Meaning:

The outside boundary or surface of something

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

fringe; outer boundary; periphery

Hypernyms ("outer boundary" is a kind of...):

bound; boundary; edge (a line determining the limits of an area)

 Context examples 

On or near an edge or constituting an outer boundary; the outer area.

(Peripheral, NCI Thesaurus)

Voyager scientists have been watching for the spacecraft to reach the outer boundary of the heliosphere, known as the heliopause.

(NASA Voyager 2 Could Be Nearing Interstellar Space, NASA)