13-letter words containing o, c, t, a, s, i
- non-sectarian — not affiliated with or limited to a specific religious denomination.
- non-socialist — an advocate or supporter of socialism.
- nonassociated — (of natural gas) not associated with a deposit of crude oil
- noncapitalist — a person who has capital, especially extensive capital, invested in business enterprises.
- nonchauvinist — a person who is not a chauvinist
- noncontagious — capable of being transmitted by bodily contact with an infected person or object: contagious diseases.
- nonhistorical — Not based on or drawn from history.
- nonhysterical — not hysterical or funny
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- nonresistance — the policy or practice of not resisting violence or established authority, even when tyrannical, by force.
- nonspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- nonsystematic — Not systematic.
- nostalgically — experiencing or exhibiting nostalgia, a sentimental or wistful yearning for the happiness felt in a former place, time, or situation.
- notifications — Plural form of notification.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- occasionalist — a person who subscribes to the theory of occasionalism
- occasionality — the condition or character of being infrequent or intended for a specific occasion, or that which is infrequent or intended for a specific occasion
- occidentalism — Occidental character or characteristics.
- oceanic crust — the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb).
- octogenarians — Plural form of octogenarian.
- odontoblastic — Relating to odontoblasts.
- olfactologist — a medical specialist in the sense of smell
- onanistically — In an onanistic manner.
- onomastically — In an onomastic way.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- optic chiasma — 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 glass — any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.
- optical mouse — (hardware) Any kind of mouse that uses visible light or infrared to detect changes in its position.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- orgiastically — In an orgiastic fashion.
- ornithischian — any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare saurischian.
- orthosilicate — a silicate mineral
- oscillational — characterized by oscillation
- ossifications — Plural form of ossification.
- ostracisation — Alternative form of ostracization.
- ostracization — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- outdistancing — Present participle of outdistance.
- ovariectomies — Plural form of ovariectomy.
- over-cautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- palaeocrystic — consisting of former glacial formation
- paleo-asiatic — a member of any of various Mongoloid peoples of northeastern Asia.
- pantisocratic — relating to pantisocracy
- past historic — the simple past