phono-semantic character; semasio-phonetic character
Technical term in Chinese character classification (六書). Refers to characters composed of a semantic component (形旁) and a phonetic component (声旁), which make up the majority of Chinese characters.
See also: 六書
「河」 is a phono-semantic character: the water radical indicates meaning, and 可 indicates sound.
About 90% of kanji are classified as phono-semantic characters.
semasio-phonetic character
From Chinese 形聲／形声 (xíngshēng), literally 'form and sound'. The term is used in traditional Chinese character classification.