Definitions with chron root words
Definitions with prefixes
Chron in a sentence
Arium/Orium/Ment in a sentence
What does it mean?
100

continuing or occurring again and again for a long time; happening or existing frequently or most of the time. 

Chronic

100

a building or room in which images or stars, planets, etc. are shown on a high, curved ceiling. 

Planetarium 

100

His arthritis causes __________ pain. 

chronic 

100

The young boy loved learning about space and was thrilled to get to visit the __________.

planetarium 

100

What does CHRON mean?

TIME

200

description of events in the order they happened

Chronicle 

200

a glass or plastic container in which fish and other water animals and plants can live; a building people can visit to see water animals and plants. 

Aquarium 

200

Students taking American History must read a __________ of the Revolutionary War. 

chronicle
200

John has a small _________ in his bedroom that holds three goldfish and a tropical fish. 

aquarium 

200

What does ARIUM mean?

PLACE 

300

arranged in the order that things happened or came to be; using time as a measurement 

Chronological 

300

a large retail store, especially one selling a great variety of articles. 

Emporium 

300

The lawyer made a _____________ list of events that occurred leading up the accident. 

chronological 

300

Settlers came from miles away to buy and sell at the _________.

emporium 

300

What does ORIUM mean? 

WHERE 

400

a watch or clock that measures time precisely 

Chronometer 

400

the act of making a judgment about something; the result of an evaluation. 

Assessment 

400

The dancers worked hard to ______ their movements with the music.

synchronize 

400

After her careful __________ of my outfit for the first day of school, Mom dropped me off.

assessment 

400

What does MENT mean?

RESULT 

500
to cause things to agree in time or to make things happen at the same time and speed
Synchronize 
500

a change in the words or meaning of a law document (such as a constitution); a change made by correction, addition, or deletion. 

Amendment 

500

The scientist measured elapsed time with a __________. 

chronometer 

500

Mrs. Jones made a few ____________ to the article I wrote for the school paper. 

amendments  

500

What does FRIDAY mean?

NO SCHOOL