Index of English words, starting with "or"

(1) - Orthogonally (adv.) Perpendicularly; at right angles; as, a curve cuts a set of curves orthogonally.

(1) - Orthographer (n.) One versed in orthography; one who spells words correctly.

(1) - Orthographically (adv.) according to orthographic projection.
(2) - Orthographically (adv.) according to the rules of proper spelling
(3) - Orthographically (adv.) In an orthographical manner

(1) - Orthography (n.) A drawing in correct projection, especially an elevation or a vertical section.
(2) - Orthography (n.) The part of grammar which treats of the letters, and of the art of spelling words correctly.
(3) - Orthography (n.) The art or practice of writing words with the proper letters, according to standard usage; conventionally correct spelling; also, mode of spelling; as, his orthography is vicious.