sixth-year molar n.
The first permanent molar tooth.
noun, plural sixties. 1. a cardinal number, ten times six. 2. a symbol for this number, as 60 or LX. 3. a set of this many persons or things. 4. sixties, the numbers, years, degrees, or the like, from 60 through 69, as in referring to numbered streets, indicating the years of a lifetime or […]
adjective 1. next after the fifty-ninth; being the ordinal number for 60. 2. being one of 60 equal parts. noun 3. a sixtieth part, especially of one (1/60). 4. the sixtieth member of a series. adjective 1. (usually prenominal) being the ordinal number of sixty in numbering or counting order, position, time, etc: often written […]
noun 1. Saint, pope a.d. 116?–125?. noun 1. Saint, died a.d. 258, pope 257–258. noun 1. Saint, pope a.d. 432–440. noun 1. (Francesco della Rovere) 1414–84, Italian ecclesiastic: pope 1471–84. noun 1. (Felice Peretti) 1521–90, Italian ecclesiastic: pope 1585–90. noun 1. original name Francesco della Rovere. 1414–84, Italian ecclesiastic; pope (1471–84). Notorious for his nepotism […]
- Sixtus I
noun 1. Saint, pope a.d. 116?–125?.