cen‧trip‧e‧tal force /senˌtrɪpətl ˈfɔːs, senˌtrɪpɪtl ˈfɔːs $ -ˈfɔːrs/ 
 noun [uncountable][
Date: 1700-1800; 
Language: Modern Latin; 
Origin: centripetus, from centr- 'center' + Latin petere 'to go to, try to find'] 
technical a force which makes things move towards the centre of something when they are moving around it 
 [TahlilGaran] Dictionary of Contemporary English ▲