Arcseconds is valid Scrabble Word

Is arcseconds a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is arcseconds valid Words with Friends?
Words with Friends NO

Definitions for ARCSECONDS in dictionary:

Words related to ARCSECONDS

arcsecond14

Similar words containing ARCSECOND without suffix s

arcsecond14
Find what other words can be done using letters: "arcseconds"
https://scrabble-word.com/finder/arcseconds
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