ox |ɑːks| — an adult castrated bull of the genus Bos; especially Bos taurus

ox-eyed |ˈɑːksˌaɪd| — having large round eyes like those of an ox

oxalic |ɑːkˈsælɪk| — of or derived from oxalic acid

oxbow |ˈɑːksbəʊ| — the land inside an oxbow bend in a river

oxcart |ˈɑːkˌskɑːrt| — a cart that is drawn by an ox

oxen |ˈɑːksən| — domesticated bovine animals as a group regardless of sex or age

oxer |ˈɑːksər| — A type of horse jump with two rails that may be set even or uneven.

oxeye |ˈɑːksaɪ| — any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers

oxford |ˈɑːksfərd| — a city in southern England to the northwest of London; site of Oxford University

oxherd |ˈɑːkʃɜːrd| — One who herds oxen.

oxhide |ˈɑːkʃaɪd| — The skin (hide) of an ox.

oxidate |ˈɒksɪdeɪt| — enter into a combination with oxygen or become converted into an oxide

oxidation |ˌɑːksɪˈdeɪʃn| — the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction

oxidative |ˈɒksɪdeɪtɪv| — taking place in the presence of oxygen

oxide |ˈɑːksaɪd| — any compound of oxygen with another element or a radical

oxidization |ˌɑːksɪdaɪˈzeɪʃən| — the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction

oxidize |ˈɑːksɪdaɪz| — enter into a combination with oxygen or become converted into an oxide

Oxonian |ɑːkˈsəʊnɪən| — a native or resident of Oxford

oxtail |ˈɑːksteɪl| — the skinned tail of cattle; used especially for soups

oxter |ˈɑːkstər| — (chiefly Scotland, Ireland) The armpit. [from 15th c.]

oxygen |ˈɑːksɪdʒən| — a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust

oxygenate |ˈɑːksɪdʒəneɪt| — impregnate, combine, or supply with oxygen

oxygenated |ˈɑːksədʒəˌnetəd| — simple past tense and past participle of oxygenate

oxygenize |ˈɑːksɪdʒənaɪz| — change (a compound) by increasing the proportion of the electronegative part; or change (an element or ion) from a lower to a higher positive valence: remove one or more electrons from (an atom, ion, or molecule)

oxygenous |ɑːkˈsɪdʒənəs| — (obsolete) oxygenic

oxygon |ˈɒksɪɡɒn| — (geometry) A triangle with three acute angles.

oxymoron |ˌɑːksɪˈmɔːrɑːn| — conjoining contradictory terms (as in `deafening silence')