Definition from Wiktionary, the free dictionary
preboom (not comparable)
- (economics) Before a boom
2009 January 17, Andrew Jacobs, “A County in China Sees Its Fortunes in Tea Leaves Until a Bubble Bursts”:
- From 1999 to 2007, the price of Pu’er, a fermented brew invented by Tang Dynasty traders, increased tenfold […] before tumbling far below its preboom levels.