1. def·er·en·tial Pronunciation: \ ˌ de-fə- ˈ ren-chəl\ Function: adjective Date: 1822 1: showing or expressing deference deference — def·er·en·tial·ly \- ˈ ren-chə-lē\ adverb

2. A differential equation is an equation which contains the derivatives of a variabledifferential equationderivatives

3. de·fi·ance Pronunciation: \di- ˈ fī-ən(t)s, dē-\ Function: noun Date: 15th century 1 : the act or an instance of defying : challenge 2 : disposition to resist : willingness to contend or fightchallenge — in defiance of : contrary to : despite despite

5. de·lin·eate Pronunciation: \di- ˈ li-nē- ˌ āt, dē-\ Function: verb Etymology: Latin delineatus, past participle of delineare, from de- + linea line Date: 1559 1 a : to indicate or represent by drawn or painted lines b : to mark the outline of 2 : to describe, portray, or set forth with accuracy or in detail

6. del·uge Pronunciation: \ ˈ del- ˌ yüj, - ˌ yüzh; ÷də- ˈ lüj, ˈ dā- ˌ lüj\ Function: noun Etymology: Middle English, from Anglo-French deluje, from Latin diluvium, from diluere to wash away, from dis- + lavere to wash Date: 14th century 1 a : an overflowing of the land by water b : a drenching rain 2 : an overwhelming amount or number

7. demagogue Function: noun Language: English 1: a leader of the common people 2: a person who tries to stir up the people by appeals to emotion, prejudice, etc. in order to win them over quickly and so gain power

8. denigrate Inflected Form(s): den·i·grat·ed; den·i·grat·ing Etymology: Latin denigratus, past participle of denigrare, Date: 1526 1 : to attack the reputation of : defame 2 : to deny the importance or validity of : belittledefamebelittle OBAMA MELTDOWN CONTINUES: PRESIDENT HUSSEIN CONTINUES TO DENIGRATE AMERICA ON HIS EUROTOUR

10. de·plete Pronunciation: \di- ˈ plēt\ Function: transitive verb Inflected Form(s): de·plet·ed; de·plet·ing Etymology: Latin depletus, past participle of deplēre, from de- + plēre to fill — more at fullfull Date: 1807 1 : to empty of a principal substance 2 : to lessen markedly in quantity, content, power, or value

12. de·mur Pronunciation: \di- ˈ mər\ Function: intransitive verb Inflected Form(s): de·murred; de·mur·ring Etymology: Middle English demuren, demeren to linger, from Anglo- French demurer, demoerer, from Latin demorari, from de- + morari to linger, from mora delay — more at moramora Date: 13th century 1 : delay, hesitate 2 : to take exception : object —often used with to or atdelayhesitateobject

13. Main Entry: dis·po·si·tion Pronunciation: \ ˌ dis-pə- ˈ zi-shən\ Function: noun Etymology: Middle English, from Anglo-French, from Latin disposition-, dispositio, from disponere Date: 14th century 1 : the act or the power of disposing or the state of being disposed: as a : administration, control b : final arrangement : settlement c (1) : transfer to the care or possession of another (2) : the power of such transferal d : orderly arrangement 2 a : prevailing tendency, mood, or inclination b : temperamental makeup c : the tendency of something to act in a certain manner under given circumstancesdisposingdisposed administrationcontrolsettlement

14. Main Entry: de·prave Pronunciation: \di- ˈ prāv\ Function: transitive verb Inflected Form(s): de·praved; de·prav·ing Etymology: Middle English, from Anglo-French depraver, from Latin depravare to pervert, from de- + pravus crooked, bad Date: 14th century 1 archaic : to speak ill of : malign 2 : to make bad : corrupt; especially : to corrupt morallymaligncorrupt synonyms see debasedebase