The idea that King was a Republican is built on a historical sleight of hand. King's father, the Rev. Martin Luther Daddy King Sr., was a Republican. But so were many blacks in the early to mid-20th century. Then the Republican Party was the party of Abraham Lincoln, the Great Liberator.
Dia-: Prefix meaning through, throughout, or completely, as in diachronic (over a period of time), diagnosis (to completely define the nature of a disease), and dialysis (cleansing the blood by passing it through a special machine).
Quick Summary. Prefixes are key morphemes in English vocabulary that begin words. A fair number of English vocabulary words contain the prefix dia-, which means âacross.â Examples using this prefix include dialogue, diagonal, and diabetes. An easy way to remember that the prefix dia- means âacrossâ is through the word diameter, for the diameter of a circle is the measurement âacrossâ it.