Learn how to say Preemption correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word pre-emption:
1the purchase of goods or shares by one person or party before the opportunity is offered to others:
the commission had the right of pre-emption
historical, chiefly North American & Australian/NZ the right to purchase public land before the opportunity is offered to others.
2the action of pre-empting or forestalling, especially of making a pre-emptive attack:
damaging retaliation for any attempt at pre-emption
early 17th century: from medieval Latin praeemptio(n-), from the verb praeemere, from prae ‘in advance’ + emere ‘buy’