Index of English words, starting with "or"

(1) - Ordovician (n.) The Ordovician formation.
(2) - Ordovician (a.) Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian.

(1) - Ordure (n.) Defect; imperfection; fault.
(2) - Ordure (n.) Dung; excrement; faeces.

(1) - Ore (n.) Metal; as, the liquid ore.
(2) - Ore (n.) A native metal or its compound with the rock in which it occurs, after it has been picked over to throw out what is worthless.
(3) - Ore (n.) The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers).
(4) - Ore (n.) Honor; grace; favor; mercy; clemency; happy augry.

(1) - Oread (n.) One of the nymphs of mountains and grottoes.

(1) - Oreide (n.) See Oroide.