Rifamycins is valid Scrabble Word

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

10 letters word
20 points in Scrabble
22 points in WWF

Definitions for RIFAMYCINS in dictionary:

NOUN:

RIFAMYCIN, an antibiotic

OTHER DEFINITIONS:

any of several antibiotics that are derived from a soil bacterium (Amycolatopsis mediterranei synonym Streptomyces mediterranei)

Words related to RIFAMYCINS

rifamycin19

Similar words containing RIFAMYCIN without suffix s

rifamycin19

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

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