10-letter words containing o, s, i, r
- omniferous — producing or consisting of all kinds of things
- omniparous — producing or generating all things
- omnivorism — eating both animal and plant foods.
- omnivorous — eating both animal and plant foods.
- one-suiter — a piece of luggage designed to hold one suit and other smaller items, as underwear or socks.
- oophoritis — inflammation of an ovary, usually combined with an inflammation of the Fallopian tubes; ovaritis.
- operations — Plural form of operation.
- operatives — Plural form of operative.
- opisometer — an instrument used to measure curved lines on a map
- opium wars — a war between Great Britain and China that began in 1839 as a conflict over the opium trade and ended in 1842 with the Chinese cession of Hong Kong to the British, the opening of five Chinese ports to foreign merchants, and the grant of other commercial and diplomatic privileges in the Treaty of Nanking.
- oppressing — to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power: a people oppressed by totalitarianism.
- oppression — the exercise of authority or power in a burdensome, cruel, or unjust manner.
- oppressive — burdensome, unjustly harsh, or tyrannical: an oppressive king; oppressive laws.
- orangeries — Plural form of orangery.
- orchardist — a person who owns, manages, or cultivates an orchard.
- orchestics — the art of dancing
- orchestric — relating to dancing
- orchiditis — inflammation of the testis.
- ordinances — Plural form of ordinance.
- ordinaries — Plural form of ordinary.
- organicism — Philosophy. the view that some systems resemble organisms in having parts that function in relation to the whole to which they belong. Compare holism (def 1).
- organicist — Philosophy. the view that some systems resemble organisms in having parts that function in relation to the whole to which they belong. Compare holism (def 1).
- organisers — Plural form of organiser.
- organising — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
- organismal — a form of life composed of mutually interdependent parts that maintain various vital processes.
- organismic — a form of life composed of mutually interdependent parts that maintain various vital processes.
- organizers — Plural form of organizer.
- orientates — Third-person singular simple present indicative form of orientate.
- oriflammes — Plural form of oriflamme.
- originates — Third-person singular simple present indicative form of originate.
- orismology — the science of defining the technical or special terms of a particular subject or field of study.
- orneriness — ugly and unpleasant in disposition or temper: No one can get along with my ornery cousin.
- ornithosis — psittacosis, especially of birds other than those of the parrot family.
- orogenesis — the process of mountain making or upheaval.
- orpharions — Plural form of orpharion.
- orthoepist — the study of correct pronunciation.
- orthoprism — a prism which has faces parallel to its vertical axis
- orthoptics — a method of exercising the eye and its muscles in order to cure strabismus or improve vision.
- orthoptist — One who practices orthoptics.
- oscillator — Electronics. a circuit that produces an alternating output current of a certain frequency determined by the characteristics of the circuit components.
- oslo fiord — an inlet of the Skagerrak, in SE Norway. 75 miles (120 km) long.
- osmeterium — a glandular process on the first thoracic segment of many caterpillars that emits a noxious odor to ward off predators.
- osmidrosis — bromhidrosis.
- osmiridium — iridosmine.
- osmolarity — The concentration of a solution expressed as the total number of solute particles per liter.
- osmometric — Relating to osmometry.
- ossiferous — containing bones, especially fossil bones: ossiferous caves and rock beds.
- ossivorous — bone-eating
- ostensoria — Plural form of ostensorium.
- osterreich — German name of Austria.