Ptolemaeus

[tol-uh-mey-uhs]

noun

1. a walled plain in the third quadrant of the face of the moon: about 90 miles (144 km) in diameter.

Ptolemaeus

/ ˌtɒlɪˈmiːəs /

noun

1. a crater in the SE quadrant of the moon, about 140 kilometres (90 miles) in diameter

Example Sentences

A Latin inscription next to him reads “In this mountain range, King Ptolemaeus uses a world-compass and through astrology, by longitudes and by latitudes, he constructed a mappa mundi and a cosmography.”

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This was unfortunate not only because Ptolemaeus’s system was wrong, but because it seemed to endorse a measurement of the earth’s circumference of 18,000 miles—a significant underestimate.

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Ptolemaeus’s epochal influence has had the effect of making ancient astronomy seem, to us, a lot less diverse than it was.

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Modern popular astrology runs directly back to Claudius Ptolemaeus, whom we call Ptolemy, although he was unrelated to the kings of the same name.

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It will be noted that Irenaeus, in his controversy with Ptolemaeus, makes no mention of the fourth Gospel, but falls back on a tradition.

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