updrift

noun, adv — 2 senses

noun

Etymology From up- + drift.

Human sciences, Linguistics, Phonetics, Phonology, Sciences A rising (over time) of the pitch of the tones of a tonal language.

adv

Etymology From up- + drift.

On the upward side of a drift.

A groyne promotes the build-up of sediment on its updrift side, and reduces erosion on the downdrift side.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.