rupt
chron
therm
astr
hydr
100

rupt

break, burst

100

chron

time

100

therm

heat

100

astr

star

100

hydr

water

200

to send out rocks, ash, lava in a sudden explosion

errupt

200

arranged in the order that things happened or came to be

chronological

200

a device that automatically adjusts the temperature in a room

thermostat

200

a minor planet

asteroid

200

a pipe in or near the street that provides water

hydrant

300

causing something to be unable to continue in the normal way; interrupting the normal progress or activity of something

disruptive

300

occurring again and again for a long time

chronic

300

designed to keep you warm by preventing heat from leaving your body

thermal

300

a person who travels into outer space in a spacecraft

astronaut

300

the state in which a large amount of water has been lost or removed from the body or from food

dehydrated

400

to cause something to stop happening for a time

interrupt

400

a watch or clock that measures time precisely

chronometer

400

using the natural heat produced inside the Earth

geothermal

400

extremely large

astronomical

400

to slide on a wet road because a thin layer of water on the road causes the tires to lose contact with it

hydroplane

500

to cause (someone or something) to become dishonest or immoral

corrupt

500

a description of events in the order they happened

chronicle

500

a condition in which the temperature of the body is very low

hypothermia

500

a symbol * that is used in printed text

asterisk

500

operated by the pressure of a fluid

hydraulic

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