(US, military) A order initiating a military operation.

plural of execute order

plural of trial by ordeal

(computing theory) Alternative spelling of inorder

(computing theory) Alternative spelling of postorder

Alternative form of preorder

Alternative form of preorder

Alternative form of preorder

plural of ℝ-order tree

(topology) An order tree whose segments are homeomorphic to segments of the real line and that is the union of countably many segments.