Tra từ gravity - Từ điển Oxford Advanced Learner 8th

grav·ity [gravity gravities] BrE [ˈɡrævəti] NAmE [ˈɡrævəti] noun uncountable
1. (abbr.g)the force that attracts objects in space towards each other, and that on the earth pulls them towards the centre of the planet, so that things fall to the ground when they are dropped
•Newton's law of gravity
see also ↑centre of gravity
2. (formal)extreme importance and a cause for worry
Syn: ↑seriousness
•I don't think you realise the gravity of the situation.
•Punishment varies according to the gravity of the offence.
3. (formal)serious behaviour, speech or appearance
•They were asked to behave with the gravity that was appropriate in a court of law.
see also ↑grave ¹_adj.

Word Origin:
late 15th cent. (in sense 2): from Old French, or from Latin gravitas ‘weight, seriousness’, from gravis ‘heavy’. Sense 1 dates from the 17th cent.

Example Bank:
•Criminal law does not treat traffic offences with the gravity they deserve.
•Europe's economic centre of gravity shifted northwards.
•Gravity bends light like a lens.
•Gravity pulls objects together.
•I don't think you realize the extreme gravity of the situation.
•The building leans so much that it seems to defy gravity.
•The threat is not being treated with the gravity it deserves.
•The water flows from the tank by gravity to the houses below.
•The world's economic centre/center of gravity is shifting east.
•a low centre/center of gravity
•the weak gravity on the moon