A quadroon is one-fourth African black and thus easily classed as black in the United States, yet three of this person's four grandparents are white. An octoroon has seven white great-grandparents out of eight and usually looks white or almost so.oss of security within the minority community, and fear and distrust of the white world are also factors. It should now be apparent that the definition of a black person as one with any trace at all of black African ancestry is inextricably woven into the history of the United States.
AD or A.D. stands for Anno Domini and is a label for numbering years after Christ was born. BC or B.C. means Before Christ. The year Christ was born is considered AD 1 and the year before that is labeled 1 BC. Historians use a nomenclature with less religious connotation: namely CE/BCE where CE means Common Era and BCE stands for Before Common Era.
Answer. Ad hoc is a word that originally comes from Latin and means âfor thisâ or for this situation.. In current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning.Ad hoc can be used as an adjective or an adverb.It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.n current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning. Ad hoc can be used as an adjective or an adverb. It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.