Definition of baby boom in US English:

baby boom

noun

informal
  • A temporary marked increase in the birth rate, especially the one following World War II.

    ‘the number of college graduates mushroomed in the early- to mid-1970s, thanks to the baby boom’
    as modifier ‘the baby boom generation’
    • ‘The baby boom generation is about to retire, and what happens then?’
    • ‘Through war, depression, baby booms and changing governments, the Melbourne Cup has persevered to become one of Australia's most famous annual events.’
    • ‘Midwives at York Hospital are expecting a baby boom this spring after the summer heatwave raised temperatures - and boosted passions - across the city.’
    • ‘Demand for home care will only increase as the population ages, especially as the baby boom generation nears retirement.’
    • ‘Nine months after the blackout the city was said to enjoy a baby boom, with a small surge in the birth rate.’
    • ‘The aging of the baby boom generation is the major factor underlying the increasing need for health care workers.’
    • ‘It's the Year of the Dragon, so a baby boom is expected.’
    • ‘Record industry growth through the 70s was largely a result of the baby boom cohort moving through the economy.’
    • ‘The vitality of Mason's society reflects fifties optimism, it tells us about the prosperity of its time, the optimism of the baby boom.’
    • ‘Congratulations to all the proud mothers, fathers, grannies and granddads who have been part of the recent baby boom in the village.’
    • ‘There has been a considerable geographical shift in population over the last fifty years, disguised in part by the overall increase resulting from the baby boom.’
    • ‘I'm scrambling for infant care in a city which has just had one of their biggest baby booms in years.’
    • ‘In Australia, fertility nose-dived at the end of the post-war baby boom in the 1960s and the wide acceptance of the Pill.’
    • ‘Currently the baby boom cohorts are still in their most productive years, they are still contributors to the social insurance funds, not claimants.’
    • ‘She even said the United States could be heading for a ‘baby boomlet’ in nine months, though not as big as the baby boom after World War II.’
    • ‘During the housing boom that followed the post-war baby boom, credit unions grew fast because they began offering home mortgages.’
    • ‘We are bucking the European trend and are experiencing our second baby boom since the 1970s.’
    • ‘Following the baby boom, fertility rates declined over the late 1960s and 1970s.’
    • ‘The remainder - some 3.2 million persons - will come directly from the baby booms of the 1940s and 1960s.’
    • ‘He observes that the post war baby boom occurred between about 1948 and 1965.’

Pronunciation

baby boom

/ˈbābē ˌbo͞om//ˈbeɪbi ˌbum/