12-letter words containing a, t, n, s, o
- odontomatous — relating to an odontoma
- of substance — wealthy
- olefiant gas — ethylene (def 2).
- olfactronics — the measurement and analysis of smells through instruments
- omnidistance — the distance between an omnirange station and a receiver.
- on one's pat — alone; on one's own
- on sb's part — If you talk about a feeling or action on someone's part, you are referring to something that they feel or do.
- on the cards — likely
- on the slate — on credit
- one-base hit — single (def 24).
- oneg shabbat — a Jewish celebration in honor of the Sabbath that takes place on Friday evening or Saturday afternoon and usually includes a program of songs, a lecture, and refreshments.
- onomastician — the study of the origin, history, and use of proper names.
- opalescently — In an opalescent manner.
- open slather — to spread or apply thickly: to slather butter on toast.
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- opinionators — Plural form of opinionator.
- oppositional — the action of opposing, resisting, or combating.
- opsonisation — Alternative form of opsonization.
- opsonization — to increase the susceptibility of (bacteria) to ingestion by phagocytes.
- optimisation — Alternative spelling of optimization.
- orange stick — a slender, rounded stick, originally of orangewood, having tapered ends and used in manicuring, especially to push back the cuticles or clean the fingernails.
- organisation — the act or process of organizing.
- orientations — Plural form of orientation.
- originations — Plural form of origination.
- orthopterans — Plural form of orthopteran.
- oscillations — Plural form of oscillation.
- ossification — the act or process of ossifying.
- ostentations — pretentious or conspicuous show, as of wealth or importance; display intended to impress others.
- ostentatious — characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
- otacousticon — (now rare) An instrument to aid hearing, such as an ear trumpet or hearing aid.
- outdatedness — the state of being outdated
- outdistanced — Simple past tense and past participle of outdistance.
- outdistances — Third-person singular simple present indicative form of outdistance.
- outlandishly — In an outlandish manner.
- outmaneuvers — Third-person singular simple present indicative form of outmaneuver.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outspreading — Present participle of outspread.
- outstandings — Outstanding amounts; unpaid debts.
- over against — in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason.
- oversedation — the calming of mental excitement or abatement of physiological function, especially by the administration of a drug.
- overstaffing — the provision of an excessive number of staff for (a factory, hotel, etc)
- overstrained — exerted, taxed, or used to an excessive extent
- owen stanley — a mountain range on New Guinea in SE Papua New Guinea. Highest peak, Mt. Victoria, 13,240 feet (4036 meters).
- oxidant smog — photochemical smog.
- oyster plant — salsify.
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- panning shot — pan3 (def 6).
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal