11-letter words containing a, t, p, o
- open market — an unrestricted competitive market in which any buyer and seller is free to participate.
- open stance — a batting stance in which the front foot is farther from the inside of the batter's box than the back foot.
- open-hearth — noting, pertaining to, or produced by the open-hearth process.
- openability — The quality of being openable.
- openhearted — Frank and candid.
- opening act — the first act at a concert, etc, esp before a main act
- operability — that can be treated by a surgical operation. Compare inoperable (def 2).
- operational — able to function or be used; functional: How soon will the new factory be operational?
- operatively — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operativity — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operatories — a room or other area with special equipment and facilities, as for dental surgery, scientific experiments, or the like.
- operculated — relating to the operculum
- ophicalcite — a type of marble containing serpentine and calcite
- ophthalmist — an eye expert; an oculist
- ophthalmol. — ophthalmology
- opinionated — obstinate or conceited with regard to the merit of one's own opinions; conceitedly dogmatic.
- opinionates — Third-person singular simple present indicative form of opinionate.
- opinionator — (obsolete) An opinionated person; one given to conjecture.
- opisthosoma — the abdomen of a spider or other arachnid
- oppignorate — to promise or give as security
- oppugnation — Opposition.
- opthamology — Misspelling of ophthalmology.
- optical art — op art.
- optimizable — Capable of being optimized.
- optionality — left to one's choice; not required or mandatory: Formal dress is optional.
- organ point — a tone sustained by one part, usually the bass, while other parts progress without reference to it.
- orthography — the art of writing words with the proper letters, according to accepted usage; correct spelling.
- orthopaedic — of or relating to orthopedics.
- orthopraxia — the correction of deformities; orthopedics.
- orthopteran — orthopterous.
- osteography — The scientific description of bones; osteology.
- osteopathic — Of or pertaining to osteopathy or osteopathic medicine.
- osteoplasty — plastic surgery on a bone to repair a defect or loss.
- ostreophage — someone who loves or eats oysters
- ostreophagy — the consumption of oysters
- Ötztal alps — division of the E Alps, along the Austrian-Italian border: highest peak, 12,379 ft (3,773 m)
- outer space — space beyond the atmosphere of the earth.
- outerplanar — (mathematics) Describing a graph having a planar embedding such that the vertices lie on a circle and the edges lie inside that circle.
- outline map — a map which only provides very basic information so that more details can be added
- outpatients — Plural form of outpatient.
- outpopulate — to surpass in populating
- outspanning — Present participle of outspan.
- overoperate — to operate on (a patient) unnecessarily
- overpayment — to pay more than (an amount due): I received a credit after overpaying the bill.
- oxtail soup — soup made using the skinned tail of an ox
- p.p. factor — nicotinic acid or its amide, nicotinamide, being the vitamin-B-complex members that serve to prevent pellagra.
- pacificator — to pacify.
- packet boat — a boat that travels a regular route, as along a coast or on a river, carrying passengers, freight, and mail
- packet soup — soup supplied in dried form in a packet
- paddle boat — small boat with pedals