Heliotropium foertherianum, a flowering plant in the borage family, native to tropical Asia.

plural of octopus bush

A large, heavy species of bony fish, Mola mola, native to tropical and temperate waters around the world.

plural of occupation number

(physics) The numerical extent to which a quantum state is filled (in a system of many, identical quantum particles)

(medicine) (of occlusion) to occur again after it has been treated

plural of ocean current

The activities and policies aimed at protecting the safety, health, and welfare of people at work.

A primordial ocean / Panthalassa

plural of ocean tramp