Semisubmersibles is valid word

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

16 letters word
24 points in Scrabble
30 points in WWF

Definitions for SEMISUBMERSIBLES in dictionary:

ADJECTIVE:

denoting an oil or gas drilling platform or barge with submerged hollow pontoons able to be flooded with water when the vessel is anchored on site in order to provide stability
a semi-submersible oil rig

Similar words containing SUBMERSIBLE without suffix s and without prefix semi

submersible17 submersibles18 semisubmersible23

Find what other words can be done using letters: "semisubmersibles"
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