Of, or relating to, both China and Tibet / (linguistics) Of the Sino-Tibetan languages, one of the major language families.

The original language, or rather, cluster of dialects, from which descend the Sino-Tibetan family of languages, to include Tibeto-Burman group and the various Chinese languages; the exact phylogenetic relationships remain subject to scholarly debate.

A linguist who specialises in studying Sino-Tibetan languages.

plural of Sino-Tibetanist