Phonology ( sometimes called " phonemics " or " phonematics " ) is the study of how sounds are used in languages to convey meaning.
2.
This period also saw his collaboration with Louis Hjelmslev, which first was a study of the field they called " phonematics ", but which developed to become part of Hjelmslev's glossematic theory.
3.
Others therefore suggested renaming the study of language-dependent pronunciation " phonemics " or " phonematics " instead, but this did not gain widespread acceptance either, so the terms " graphemics " and " graphematics " became more frequent.