12-letter words containing o, p, a, c
- nonspherical — not spherical
- nordkyn cape — Cape, a cape in N Norway, E of North Cape: northernmost point of the European mainland.
- normal pitch — relative point, position, or degree: a high pitch of excitement.
- normed space — any vector space on which a norm is defined.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- nymphomaniac — a woman who has abnormally excessive and uncontrollable sexual desire.
- occupational — of or relating to an occupation, trade, or calling: occupational guidance.
- oceanography — the branch of physical geography dealing with the ocean.
- ochlophobiac — a person who suffers from ochlophobia
- octapeptides — Plural form of octapeptide.
- octastrophic — having or containing eight verses or strophes
- octopetalous — containing or consisting of eight petals
- octosepalous — having or consisting of eight sepals
- off the pace — behind the leader; out of first place
- office party — a party or informal social gathering for all the employees in a particular organization or department
- office space — part of a building for business use
- oil in place — The oil in place is the amount of crude oil which is estimated to be in a reservoir.
- olap council — (body, standard) A body formed in early 1995 to work on a cross-product API for OLAP. After little success it was replaced by the Analytical Solutions Forum.
- omphalomancy — Divination by means of a child's navel, to learn how many children the mother may have.
- omphaloscopy — Introversion.
- on the cheap — costing very little; relatively low in price; inexpensive: a cheap dress.
- one-act play — a short play consisting of only one act
- onomatopoeic — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- onychophagia — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- onychophoran — any small, predatory, caterpillarlike animal of the phylum Onychophora, common in tropical forests, having stubby legs ending in pincers.
- opalescently — In an opalescent manner.
- open account — current account (def 1).
- open channel — An open channel is a type of flow in which one surface is free (= not restricted by anything).
- operatically — of or relating to opera: operatic music.
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- optic chiasm — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- optical diff — vdiff
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical grep — vgrep
- optical path — the path of light through a medium, having a magnitude equal to the geometric distance through the system times the index of refraction of the medium.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optoacoustic — relating to the relationship between light and sound
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- orographical — relating to the study of mountains
- orthographic — of or relating to orthography.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- osteoplastic — Surgery. pertaining to osteoplasty.
- out of place — a particular portion of space, whether of definite or indefinite extent.
- outplacement — counseling and assistance in finding a new job, provided by a company for an employee who has been or is about to be dismissed.
- overcapacity — capacity beyond what is normal, allowed, or desirable.