let-down

let-downnoun/ˈlɛtdaʊn/

• 1

  A disappointment or anticlimax.

  • After seeing all the advertisements, the show itself was quite a let-down.
  • Journalists aside, are we so used to people looking glossier and younger in their profile photos—whether on social media or for work—that a certain percentage of “let-down” is baked into our expectations of meeting them in person?
• 2

  The neurohormonal release of milk in dairy cows or in breastfeeding human mothers.

  • The majority of peasant farmers in the tropics allow the calf to suckle before milking in order to obtain a let-down of milk.
  • Occasionally a baby will be caught off-guard by mother's strong let-down and he will choke and sputter a bit.
• 3

  aeronauticsaerospaceaviationThe clearance of an aircraft to descend through clouds to clear air below, or the process of granting such a clearance.

  • The flight received a radar letdown from air traffic control.