Aspirated consonant
In many languages, such as Armenian, Korean, Thai, Indo-Aryan languages, Dravidian languages, Icelandic, Ancient Greek, and the varieties of Chinese, tenuis and aspirated consonants are phonemic. Unaspirated consonants like [p= s=] and aspirated consonants like [ph hp sh] are separate phonemes, and words are distinguished by whether they have one or the other.
[p= s=] and [ph hp sh] are separate what?
phonemes
Unaspirated consonants like [p= s=] and aspirated consonants like [ph hp sh] are separate phonemes, and words are distinguished by whether they have one or the other.
ph hp sh