Sea fir
noun
1.
another name for hydroid (sense 3)
Read Also:
- Sea-fire
noun 1. a bioluminescent glow produced by phosphorescent marine organisms.
- Seafloor
noun 1. the solid surface underlying a sea or an ocean.
- Sea-floor
noun 1. the solid surface underlying a sea or an ocean.
- Seafloor-spreading
noun 1. a process in which new ocean floor is created as molten material from the earth’s mantle rises in margins between plates or ridges and spreads out.
- Sea-floor spreading
noun 1. a process in which new ocean floor is created as molten material from the earth’s mantle rises in margins between plates or ridges and spreads out.