Not phonemically distinctive; not serving to distinguish meaning.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Linguistics) linguistics (of a speech sound) having no effect on the meaning being conveyed
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌnɒn dɪˈstɪŋk tɪv)

adj. Ling.
not serving to distinguish meanings: a nondistinctive difference in sound.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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By contrast, short-sellers will likely perceive an equilibrating, low-ambiguity strategy as risky or nondistinctive relative to rivals, which places the focal firm at a competitive disadvantage.
1998) ("[T]he proper inquiry is not whether individual features of a product are functional or nondistinctive but whether the whole collection of features taken together are functional or nondistinctive.").
Apart from genetic predisposition, the hallmark pathology of AD is an acute, subacute, or chronic dermatitis of nondistinctive type.
5 Urban design as urban The late 1980's an adolescent sustainable and 1990's (adult) design 6 * Urban design in interactional from late its fully urban design 1990's until maturity period now steps Noteworthy components Related theories and practices 1 Dependent and Haussmann's renovation of nondistinctive features Paris; Camillo Sitte's from architecture; paying teachings; City Beautiful attention to the movement.
(53) Because expression of MDM2 and CDK4 is generally limited to low-grade osteosarcomas and their dedifferentiated counterparts, expression of these two markers in an otherwise nondistinctive high-grade sarcoma of bone may therefore suggest evolution from (dedifferentiation of) a low-grade osteosarcoma.
Becoming aims not at reaching a form, but at discovering adjacent, indiscernible or nondistinctive zones.
One patient was excluded with an untypical small sclerotic dorsal discontinuity, nondistinctive for a congenital nonfusion or old fracture.
The dark spots are characterized by feathered, nondistinctive borders, appearing only at the site of the inflammation.
However, wines treated in this way for that purpose will never become great wines exceeding the quality level of simple, fruity and nondistinctive wines for easy consumption.
The acute illness before sero-conversion typically lasts for about a month and consists of a nondistinctive rash, generalized lymphadenopathy, or viral meningitis.
Under the law, TD Banknorth contends, those who use a nondistinctive name can expect others to use the name, too.