降

eleventh lunar month

Chinese "Net" constellation (one of the 28 mansions)

fish, chicken, shellfish, etc. blanched by exposure to boiling and then icy water

priority to pedestrians

rainy spell

Skiing

downhill; downhill race

submerged shoreline

falling intonation; falling tone

katabatic wind

flower that is said to cause rain if picked (convolvulus, etc.)

slow-descent device (for evacuating tall buildings)

passenger vehicle entrance and exit

drop zone

consolidation yield stress

peppered moth (Biston betularia)

voltage drop

Mathematics

saddle point method; steepest descent method; gradient descent method

to rain

Idiomatic expression

water is wet; on days when it rains, the weather is bad

snowmaking machine; snow cannon; snow gun

stairlift; (home) chair lift

price fall; fall in prices

Idiomatic expression

(appearing) out of nowhere; as if one had fallen from the sky or sprung from the ground

erythrocyte sedimentation rate; ESR