Is “Formant” a Scrabble word?
Yes
FORMANT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Formant
noun
1.A band of frequencies, in a sound spectrum, that have a greater intensity; they determine the quality of a sound; especially the characteristic sounds of the consonants.
2.A morpheme occurring as an affix to a root or stem, forming an extended root or stem.