"Planetarium" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) Yes
Scrabble UK(International - SOWPODS/CSW) Yes
Words with Friends(WWF) Yes

"planetarium" Definition

  1. a building with a curved ceiling to represent the sky at night, with moving images of the planets and stars, used to educate and entertain peopleTopics Buildingsc2

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