Wordnet 3.0
NOUN (1)
1. 
 the study of the sound system of a given language and the analysis and classification of its phonemes; 
[syn: phonology, phonemics]
The Collaborative International Dictionary of English v.0.48:
phonemics \pho*ne"mics\ (f[-o]*n[=e]"m[i^]ks), n. (Linguistics)
   The study of the sound system of a given language and the
   analysis and classification of its phonemes.
   Syn: phonology.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
phonemics
    n 1: the study of the sound system of a given language and the
         analysis and classification of its phonemes [syn:
         phonology, phonemics]