The consonantality of a neighboring sound has the effect of changing a nontrill (flap or tap) into a trill whereas a neighboring nonconsonantal sound has the reverse effect of changing a trill into a nontrill.
Standardized
The consonantality of a neighboring sound has the effect of changing a nontrill (flap or tap) into a trill whereas a neighboring nonconsonantal sound has the reverse effect of changing a trill into a nontrill.
Trill: vibratory movemont of loosely held tip of tongue (or some other articulator).Nontrill: single contraction of the muscles such that the tip of the tongue is thrown against the roof of the mouth (Ladefoged 1971, cited in Bhat 1974: 83).
Trill: vibratory movemont of loosely held tip of tongue (or some other articulator).Nontrill: single contraction of the muscles such that the tip of the tongue is thrown against the roof of the mouth (Ladefoged 1971, cited in Bhat 1974: 83).