mag·ni·tude 
/ˈmægnəˌtu:d, Brit ˈmægnəˌtju:d/ noun
/ˈmægnəˌtu:d, Brit ˈmægnəˌtju:d/ noun 1 [noncount] : the size, extent, or importance of something
▪ The country's small army would be crushed in a war of such magnitude. [=in such a large war] ▪ At this point no one really knows the true/real magnitude [=scale] of the problem. 2 [count, noncount] technical a : a number that shows the brightness of a star
b : a number that shows the power of an earthquake
▪ a magnitude 6.7 earthquake = an earthquake of magnitude 6.7
▪ The country's small army would be crushed in a war of such magnitude. [=in such a large war] ▪ At this point no one really knows the true/real magnitude [=scale] of the problem.
b : a number that shows the power of an earthquake
▪ a magnitude 6.7 earthquake = an earthquake of magnitude 6.7
