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The Measure of Man
Unusual, arcane, or obscure units of measure
cable, cabot, bushel, cade, caliper, callipic cycle, metonic cycle, cunit, air watt, ale gallon, allergy unit, amber and 228 more...
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ephemerides
being words related to astronomy, stellar cartography, and the music of the spheres, including names of planets, stars and constellations
ephemerides, ascension, declination, apogee, planet, star, constellation, galaxy, system, syzygy, ecliptic, sun and 202 more...
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lark
diogenes, aggressively apat..., la noche oscura d..., moguicheng, dewetted, felicious, sandblind, mammon, cleft, perspicacity, bombinate, autochthonous and 35 more...
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reesetee A unit of time equal to 19 years, used in astronomy in predicting the phases of the Moon. By coincidence, 19 years is equal to 6939.602 days, and 235 lunar months is equal to 6939.689 days--just 125 minutes longer. As a result, the phases of the Moon repeat almost exactly after 19 years. (Nineteen years can contain either 3 or 4 leap days, so the recurrence isn't always exact to the day of the month.) Named for the ancient Greek astronomer Meton, who first used it for predictions around 433 BC. Nov 6, 2007