فاصله زبانی تفاوت میان یک زبان یا گویش با زبان دیگر را نشان میدهد.[1][2] اگرچه رویکرد یکنواختی برای تعیین میزان فاصله زبانی مشخص نیست، اما زبانشناسان از این مفهوم در موقعیتهای مختلف زبانی مانند فراگیری زبان دوم، زبانشناسی تاریخی، تعارضات مبتنی بر زبان و تأثیرات اختلافات زبانی بر تجارت استفاده میکنند.[3][4][5][6][7][8][9]
Colin Renfrew; April M. S. McMahon; Robert Lawrence Trask (2000), Time depth in historical linguistics, McDonald Institute for Archaeological Research, 2000, ISBN 978-1-902937-06-9, ... The term 'linguistic distance' is often used to refer to the degree of similarity/ difference between any two language varieties ...
Li Wei (2000), The bilingualism reader, Psychology Press, 2000, ISBN 978-0-415-21336-3, ... linguistic distance is a notion which still remains problematic (for a discussion, see Hinskens, 1988), it does seem possible to place languages along a continuum based on formal characteristics such as the number of cognates in languages or sets of shared syntactic characteristics ...
Michael H. Long (2009-07-15), The Handbook of Language Teaching, John Wiley and Sons, 2009, ISBN 978-1-4051-5489-5, ... findings from work on linguistic transfer, typology and 'linguistic distance' … two related issues arise in these studies: typological distance/phylogenetic relatedness and transfer … Spanish-Basque bilinguals learning English demonstrated a stronger influence from Spanish, typologically a closer language ...
Terry Crowley; Claire Bowern (2010-03-04), An Introduction to Historical Linguistics, Oxford University Press US, 2009, ISBN 978-0-19-536554-2, ... Methods that hypothesize relationships in this way are called distance-based methods because they infer the historical relationships from the linguistic distance between languages. Lexicostatistics is a commonly used distance-based ...
Jeffrey A. Frankel; Ernesto Stein; Shang-Jin Wei (1997), Regional trading blocs in the world economic system, Peterson Institute, 1997, ISBN 978-0-88132-202-6, ... The implication is that two countries sharing linguistic/colonial links tend to trade roughly 55 percent more than they would … a new measure of linguistic distance that is a continuous scalar rather than a discrete dummy variable ...
William Hernandez Requejo; John L. Graham (2008-03-04), Global negotiation: the new rules, Macmillan, 2008, ISBN 978-1-4039-8493-7, ... Linguisitic distance has been shown to be an important factor in determining the amount of trade between countries … 'wider' language differences increases transaction costs and makes trade and negotiations less efficient ...