a subtle difference in meaning or opinion or attitude; "without understanding the finer nuances you can't enjoy the humor"; "don't argue about shades of meaning"
move to and fro; "The shy student lingered in the corner"
be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement"
vice president under Reagan and 41st President of the United States (born in 1924)
United States electrical engineer who designed an early analogue computer and who led the scientific program of the United States during World War II (1890-1974)
43rd President of the United States; son of George Herbert Walker Bush (born in 1946)