12-letter words containing i, s, o, t, n
- obstructions — Plural form of obstruction.
- oceanologist — the practical application of oceanography.
- odontologist — the science dealing with the study of the teeth and their surrounding tissues and with the prevention and cure of their diseases.
- of necessity — something necessary or indispensable: food, shelter, and other necessities of life.
- of two minds — If you are of two minds, you are uncertain about what to do, especially when you have to choose between two courses of action.
- oil industry — petroleum-processing business
- oil minister — a government official responsible for the oil industry in their country
- olefiant gas — ethylene (def 2).
- olfactronics — the measurement and analysis of smells through instruments
- omnidistance — the distance between an omnirange station and a receiver.
- omnisciently — having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
- on the skids — a plank, bar, log, or the like, especially one of a pair, on which something heavy may be slid or rolled along.
- on the skite — on a drinking spree
- on the stick — alert, efficient, etc.
- on the tiles — on a spree, esp of drinking or debauchery
- one-base hit — single (def 24).
- onomastician — the study of the origin, history, and use of proper names.
- 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.
- opisthotonic — of or relating to opisthotonos
- opisthotonos — Spasm of the muscles causing backward arching of the head, neck, and spine, as in severe tetanus, some kinds of meningitis, and strychnine poisoning.
- opportunists — Plural form of opportunist.
- oppositeness — The state or condition of being opposite.
- 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.
- optogenetics — (genetics) A science that combines optics and genetics to probe neural circuits.
- or something — You use something in expressions such as 'or something' and 'or something like that' to indicate that you are referring to something similar to what you have just mentioned but you are not being exact.
- 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.
- orchestrions — Plural form of orchestrion.
- organisation — the act or process of organizing.
- orientations — Plural form of orientation.
- origin story — a backstory, or established background narrative, that informs the identity and motivations of heroes and villains in a comic book or similar fictional work: The superhero’s origin story begins with a tragic accident that left him scarred, but also resulted in his supernatural powers.
- originations — Plural form of origination.
- ornithopters — Plural form of ornithopter.
- ornithoscopy — divination from the observation of birds
- ortho-cousin — parallel cousin.
- orthocousins — the children of two brothers or two sisters
- orthodontics — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthodontist — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthogenesis — Biology. Also called orthoselection. evolution of a species proceeding by continuous structural changes in a single lineage without presenting a branching pattern of descent. a theory that the evolution of a species in a continuous, nonbranching manner is due to a predetermined series of alterations intrinsic to the species and not subject to natural selection.
- orthotonesis — accentuation of a proclitic or enclitic
- 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.
- osteogenesis — the formation of bone.
- osteogenetic — (physiology) Connected with osteogenesis, or the formation of bone.
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.