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).
What is a DIAC - Tutorial. - the DIAC, Diode AC bi-directional switch is widely used with TRIACs to improve operation of alternating current power switching systems. The DIAC is a full-wave or bi-directional semiconductor switch that can be turned on in both forward and reverse polarities. The DIAC gains its name from the contraction of the words DIode Alternating Current. The DIAC is widely used to assist even triggering of a TRIAC when used in AC switches. DIACs are mainly used in dimmer applications and also in starter circuits for florescent lamps. Circuit symbol