rescind 
/rɪˈsɪnd/ verb
rescinds; rescind·ed; re·scinding/rɪˈsɪnd/ verb
[+ obj] formal : to end (a law, contract, agreement, etc.) officially : to say officially that (something) is no longer valid
▪ The navy rescinded its ban on women sailors.
▪ The navy rescinded its ban on women sailors.
▪ The company later rescinded its offer/decision.
flatten /ˈflætn̩/ verb
flattens; flattened; flattening/ˈflætn̩/ verb
1 a [+ obj] : to make (something) flat or flatter
▪ He opened the map and flattened it (out) against the tabletop.
▪ He opened the map and flattened it (out) against the tabletop.
▪ He flattened himself against the wall. [=he pressed himself against the wall so that he was as close to it as possible]
b [no obj] : to become flat or flatter
▪ The dough flattened smoothly/easily.
b [no obj] : to become flat or flatter
▪ The dough flattened smoothly/easily.
▪ The land flattens (out) as you approach the coast.
2 [+ obj] a : to knock down (something or someone)
▪ Dozens of houses were flattened by the tornado.
▪ Dozens of houses were flattened by the tornado.
▪ The boxer was flattened in the seventh round.
b informal : to defeat (a competitor) easily or completely
▪ The team got flattened in the first round of the play-offs.
3 [no obj] : to go to and stay at a lower level
▪ Prices are expected to flatten after the holiday shopping season. — often + out
b informal : to defeat (a competitor) easily or completely
▪ The team got flattened in the first round of the play-offs.
▪ Prices are expected to flatten after the holiday shopping season. — often + out
▪ Student performance flattened out after the second month of the school year.
curative adj. able to cure disease or heal people
staggering adj. very large, shocking, or surprising
A barometer is an instrument to measure air pressure.
