plural of post-office order

To call and place an order for food to be delivered.

Third-person singular simple present indicative form of order in

present participle of order in

simple past tense and past participle of order in

(graphical user interface) The sequence in which a user can navigate from one control to the next by pressing the Tab key.

plural of tab order

plural of ordered ring

(algebra, order theory, ring theory) A ring, R, equipped with a partial order, ≤, such that for arbitrary a, b, c ∈ R, if a ≤ b then a + c ≤ b + c, and if, additionally, 0 ≤ c, then both ca ≤ cb and ac ≤ bc.

(historical) an autonomous okrug of the Soviet Union within Irkutsk Oblast; now part of Ust-Orda Buryat Okrug