12-letter words containing n, a, s, t, i
- noticeboards — Plural form of noticeboard.
- nova scotian — a peninsula and province in SE Canada: once a part of the French province of Acadia. 21,068 sq. mi. (54,565 sq. km). Capital: Halifax.
- novelisation — Alternative spelling of novelization.
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- nugatoriness — Quality of being nugatory.
- nuisance tax — a tax paid in small but frequent amounts, usually by consumers.
- numismatical — Alternative form of numismatic.
- numismatists — Plural form of numismatist.
- nuptial mass — a special mass said at a wedding.
- oasification — The process of restoring water, soil, and plant life to an environment that has been degraded by soil erosion.
- obfuscations — to confuse, bewilder, or stupefy.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- observations — Plural form of observation.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- oceanologist — the practical application of oceanography.
- olefiant gas — ethylene (def 2).
- olfactronics — the measurement and analysis of smells through instruments
- omnidistance — the distance between an omnirange station and a receiver.
- 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.
- 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.
- 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.
- outdistanced — Simple past tense and past participle of outdistance.
- outdistances — Third-person singular simple present indicative form of outdistance.
- outlandishly — In an outlandish manner.
- 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
- oxidant smog — photochemical smog.
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- pair skating — a form of competitive skating in which a man and a woman skate together in performing a choreographed series of jumps, lifts, and other acrobatic moves to a selection of music.