cardioid is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE)

(geometry) An epicycloid with exactly one cusp; the plane curve with polar equation \rho = 1 + \cos\,\theta - approximately heart-shaped Category:en:Curves

Adjective (COMPARABLE)

Having this characteristic shape
(of a microphone) sensitive in front, but not behind or at the sides

cardioid is a Scrabble valid word

cardioid

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

cardioid is an iScramble, QuickWords valid word

cardioid

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• CARIDOID
• CIDAROID

Same letters plus one

• CARDIOIDS
• CARIDOIDS
• CIDAROIDS
• DINOCARID
• DISCORDIA
• EOCARDIID
• MORDACIID

Same letters minus one

• ACIDOID
• ACRIDID
• CARDIID
• CIDARID