At and Down

At noun - A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

Down and at are semantically related. In some cases you can use "Down" instead an adjective "At".

Down adjective - Brought or having come to an end.

At and down are semantically related. Sometimes you can use "At" instead an adjective "Down".

Nearby Word: downed