Letters that make hydroid
o, d, h, r, i, y are letters that make 'hydroid'
hydroids is a word created by adding a letter to 'hydroid'
1 possible definitions for 'hydroid'
Under this definition, hydroid is a noun and has the following properties:
hydrozoan has the same meaning as hydroid
'hydroid' can be a type of coelenterate, cnidarian.
planula, hydra, siphonophore, sertularian are types of 'hydroid'.
'hydroid' can be a member of Hydrozoa, class Hydrozoa.