減げん速そく

noun, noun or participle which takes 'suru', transitive verb, intransitive verb, noun which may take the genitive case particle 'no'

deceleration; slowing down

Used for both transitive (slowing something down) and intransitive (slowing down by itself) actions. Common in traffic, machinery, and economic contexts.

Antonyms: 加速

• カーブの手て前まえで減げん速そくしてください。

  Please slow down before the curve.