MOHAMMEDAN CALENDAR n.
A lunar calendar reckoning from the year of the hegira, 622 a. d. Thirty of its years constitute a cycle, of which the 2d, 5th, 7th, 10th, 13th, 16th, 18th, 21st, 24th, 26th, and 29th are leap years, having 355 days; the others are common, having 354 days. By the following tables any Mohammedan date may be changed into…
MONTEM n.
custom, formerly practiced by the scholars at Eton school, England, of giing every third year, on Whittuesday, to a hillock near the Bath road, and exacting money from all passers-by, to support at the university the senior scholar of the school.
MORTALITY n.
alive at one age, it can be computed what number are likely to survive a given number of years. -- Table of mortality, a table exhibiting the average relative number of persons who survive, or who have died, at the end of each year of life, out of a given number supposed to have been born at the same time.…
NEPTUNE n.
e from the sun is about 2,775,000,000 miles, and its period of revolution is about 164,78 years. Neptune powder, an explosive containing nitroglycerin, -- used in blasting. -- Neptune's cup (Zoöl.), a very large, cup-shaped, marine sponge (Thalassema Neptuni).