crowning achievement

English

Noun

crowning achievement (plural crowning achievements)

1. The most important or glorious achievement.
   • 1915, Nikola Tesla, The Wonder World to Be Created by Electricity:

     Arago produced the electro-magnet, Seebeck the thermo-pile and in 1831, as the crowning achievement of all, Faraday announced that he had obtained electricity from a magnet, thus discovering the principle of that wonderful engine - the dynamo, and inaugurating a new era both in scientific research and practical application.