Meanings

fast-talking

always having a comeback

an army marches on its stomach

write-down

reduction

weight decay

light reduction

neutral-density filter

burden reduction

depopulation

superplasticizer

16,800,000-year period over which a human lifespan increases from ten years to 84,000 years (by one year per century) and then decreases back to ten (by one year per century)

reduction

weight loss

sharp reduction

reduced demand

relief measure

income tax cut

reduction in the number of vehicles, carriages, etc.

depreciation cost