Periphytons is valid Scrabble Word

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

11 letters word
21 points in Scrabble
22 points in WWF

Definitions for PERIPHYTONS in dictionary:

NOUN [ECOLOGY.]:

the community of tiny organisms, as protozoans, hydras, insect larvae, and snails, that lives on the surfaces of rooted aquatic plants.

NOUN:

PERIPHYTON, aquatic organisms which are attached to, or cling to, stems and leaves of rooted plants, rocks, etc.

OTHER DEFINITIONS:

organisms (as some algae) that live attached to underwater surfaces

Words related to PERIPHYTONS

periphyton20

Similar words containing PERIPHYTON without suffix s

periphyton20

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