Movable

  • 131opercular valve — Movable plate in orifice of cirriped shell, one of pairs of scuta and terga joined to sheath by opercular membrane. [Moore and McCormick, 1969] [Martin, 2005]. One of 2 or 4 movable plates occluding aperture in sessile barnacles [McLaughlin,… …

    Crustacea glossary

  • 132mobile — movable, mobile Movable generally denotes that something can be moved by applying an external force to it, whereas mobile means that it has the ability to move or be moved as a special characteristic. A mobile phone is designed to be carried… …

    Modern English usage