English Words: O
15,494 words · Page 301 of 310
Used to berate Asian women who pursue romantic or sexual relationships with white men.
The theory that Edward de Vere (1550–1604), Earl of Oxford, wrote the plays attributed to William Shakespeare.
A midland county of England bordered by Buckinghamshire, Gloucestershire, Berkshire, Wiltshire, Warwickshire and Northamptonshire.
The area of land that could be plowed by an ox in a year, ¹⁄₈ hide or carucate and notionally 15 acres.
An ingot of copper or occasionally tin, cast in the shape of an oxhide, typically produced and traded during the Late Bronze Age.
An Ancient Greek pitch-marking diacritic: ⟨ ´ ⟩; written atop vowels, it denotes high pitch on short vowels, and rising pitch on long vowels and diphthongs.
The cation H₂O⁺, present in interstellar space, formed by removal of an electron from a water molecule
Any of many enzymes which catalyze oxidation reactions, especially ones using molecular oxygen.
Any form of volumetric analysis using an oxidizing agent such as potassium permanganate.
Spelling & Dictionary Insight
The English alphabetical index for the letter O contains 15,494 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 310 pages, and you are currently viewing page 301. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.
On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.
For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "O" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.