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| 22nd Amendment |
an amendment to the U.S. Constitution that ensures that no person can be elected to more than two four-year terms as President of the United States. The 22nd Amendment, ratified in 1951, was passed in reaction to President Franklin D. Roosevelt's four terms in office. |
| ancient Rome |
a civilization cultivated by the city-state of Rome from the 8th century B.C.E. through its development as a republic and its collapse as an empire in the 5th century A.D. |
| anno Domini |
(Latin) in the year of the Lord (often abbreviated "A.D.") |
| apical |
in phonetics, of or pertaining to consonants articulated with the tip of the tongue, such as "t" or "d". [1/2 definitions] |
| Arius |
a Greek theologian and Christian priest in Alexandria (256?-336 A.D.). |
| Attila |
the king of the Huns that invaded Europe in the fifth century (406?-453 A.D.). |
| calciferol |
a form of vitamin D. |
| cholecalciferol |
vitamin D. |
| Christian Era |
in Christianity, the era beginning at the birth of Jesus Christ, about 1 A.D. |
| chromatic |
in music, having to do with the chromatic scale, which ascends and descends by half steps, as C to C sharp and C sharp to D. [1/2 definitions] |
| cod-liver oil |
a pale yellow oil obtained from the liver of cod and related fish, often taken as a source of vitamins A and D. |
| consonant |
a sound in a language made by constricting or diverting the flow of air through the mouth using the tongue, teeth, lips, or other speech organs. The sounds represented by the letters "d," "k," "b," "s," and "m" are examples of consonants in English. [1/6 definitions] |
| Constantine I |
the ruler of the Roman Empire in 306-37 A.D. (b.280A.D.?--d.337 A.D.). |
| Constantinople |
the former name of Istanbul, from 330 A.D. to 1930. |
| d |
having the shape of a D. [1/4 definitions] |
| da capo |
from the beginning; D.C. (used in music as a direction to repeat a passage). |
| Dark Ages |
the Middle Ages, esp. from about 476 A.D. to the end of the tenth century, so called because of intellectual, cultural, and social decline and stagnation. |
| Dead Sea Scrolls |
scrolls dating from about 100 B.C. to 70 A.D. that were found in caves above the Dead Sea, and that contain scriptural and other writings of a Jewish religious community. |
| doctoral |
of or relating to studies for a Ph.D. or other nonmedical doctor's degree. |
| doctorate |
the highest academic degree, esp. the Ph.D., awarded for completion of advanced work at the graduate level, or as an honorary degree, and conferring the title or status of doctor on the recipient; doctor's degree. |
| Doctor of Philosophy |
the highest doctorate awarded by a university, esp. in the humanities or sciences. (abbr.: Ph.D.) |
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