معنی cyclone زبان انگلیسی

1
a : a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (about 30 to 50 kilometers) an hour, and often brings heavy rain
b : TORNADO
c : LOW entry 2 sense 1b

2
: any of various centrifugal devices for separating materials (such as solid particles from gases)