cissoid is a valid English word

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

Meanings

Noun (COUNTABLE)

(geometry) Any of a family of curves defined as the locus of a point, P, on a line from a given fixed point and intersecting two given curves, C₁ and C₂, where the distance along the line from C₁ to P remains constant and equal to the distance from P to C₂. Category:en:Curves
• The cissoid of a circle and a line is a conchoid

cissoid is a Scrabble valid word

c3i1s1s1o1i1d2

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

cissoid is an iScramble, QuickWords valid word

c1i2s3s4o5i6d7

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

Same letters words (Anagrams)

• CISOIDS

Same letters plus one

• ACIDOSIS
• CISSOIDS
• DISCOIDS
• DISCOISH
• DISOMICS
• ISOACIDS
• ONISCIDS
• SCOLIIDS
• SORICIDS

Same letters minus one

• CIOIDS
• CISIDS
• CISOID
• CISSID
• COSSID
• DISCOS
• DOCSIS