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The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions.
The 35th president of the United States (1961-1963). A US representative (1947-1953) and senator (1953-1960) from Massachusetts, he became the youngest man elected to the presidency (1960). Kennedy approved the failed invasion of the Bay of Pigs (1961) and forced Khrushchev to remove Soviet missiles from Cuba (1962). He also established the Peace Corps (1961) and advocated civil rights reform. Kennedy was assassinated in Dallas, Texas, on November 22, 1963.
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.