Attention deficit hyperactivity disorder (ADHD) should be diagnosed and treated in children as young as age 4, according to new guidelines from the American Academy of Pediatrics. Skip to main content
ephemeris. 1  a table showing the positions of a heavenly body on a number of dates in a regular sequence. 2  an astronomical almanac containing such tables. 3  Archaic. an almanac or calendar.
epistle. 1  a letter, especially a formal or didactic one; written communication. ( 2 usually initial capital letter) one of the apostolic letters in the New Testament. ( 3 often initial capital letter) an extract, usually from one of the Epistles of the New Testament, forming part of the Eucharistic service in certain churches.