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frontier ['frʌntɪə] n
econ.	pasíenis m
law, immigr.	valstýbės síena
English thesaurus
frontier ['frʌntɪə] n
mil., abbr.	fron

frontier : 49 phrases in 14 subjects

Agriculture	1
Chemistry	1
Commerce	10
Economics	7
Environment	1
Finances	3
General	14
Immigration and citizenship	2
Life sciences	2
Marketing	1
Obsolete / dated	2
Politics	1
Research and development	1
Social science	3