[, ] () a number of shares, bonds, etc. that are offered for sale to the public for the first time（股票、债券等）公开上市，公开买卖◆The board of directors decided to conduct a public offering of newly issued shares.董事会决定对新发行的股票进行公开上市。◆a public offering of 3 million shares300 万股股票的公开上市◆The company was privatized by public offering.这家公司通过公开上市被私有化了。