13-letter words containing a, n, t, i, l
- nonspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- nontangential — pertaining to or of the nature of a tangent; being or moving in the direction of a tangent.
- nontheatrical — not relating to the theatre
- nonvocational — not relating to a particular job or profession
- normal matrix — a square matrix A for which AA* = A*A, where A* is the Hermitian conjugate of A
- normalisation — Alternative form of normalization.
- normalization — to make normal.
- north sea oil — oil extracted from deposits beneath the North Sea
- nostalgically — experiencing or exhibiting nostalgia, a sentimental or wistful yearning for the happiness felt in a former place, time, or situation.
- notary public — a public officer or other person authorized to authenticate contracts, acknowledge deeds, take affidavits, protest bills of exchange, take depositions, etc.
- nothing loath — willing
- noticeability — The quality of being easy to see or notice.
- nullification — an act or instance of nullifying.
- numismatology — Numismatics.
- nutraceutical — A food containing health-giving additives and having medicinal benefit.
- nutritionally — Concerning nutrition.
- objectionable — causing or tending to cause an objection, disapproval, or protest.
- objectionably — causing or tending to cause an objection, disapproval, or protest.
- observational — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obtainability — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- 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.
- occidentalize — to make Occidental.
- odontoblastic — Relating to odontoblasts.
- onanistically — In an onanistic manner.
- onomastically — In an onomastic way.
- onomatologist — One versed in the history of names.
- onomatopoeial — (obsolete, rare) Of or pertaining to onomatopoeia.
- ontologically — In an ontological manner.
- open interval — (mathematics) A type of interval (range of numbers) that does not include either of its endpoints. For example, when mixing red and blue paint, the proportion of red lies in the interval 0% to 100% but can't be exactly 0% or 100% or it wouldn't be a mixture.
- operationally — able to function or be used; functional: How soon will the new factory be operational?
- opinionatedly — In an opinionated manner.
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- optical crown — an optical glass of low dispersion and relatively low refractive index. It is used in the construction of lenses
- optical flint — an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glass
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- oral solution — An oral solution is a medicine in liquid form for drinking.
- orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
- orbitofrontal — Located in the frontal lobes above the orbits of the eyes.
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- organolithium — (organic chemistry) Describing any organic compound containing a carbon to lithium bond.
- orientalizing — Present participle of orientalize.
- orientational — Of or pertaining to orientation.
- originalities — Plural form of originality.
- originatively — in an originative manner
- ornamentalism — the desire or tendency to feature ornament in the design of buildings, interiors, furnishings, etc.
- ornamentalist — A person who ornaments.
- ornamentality — used or grown for ornament: ornamental plants.
- orthodiagonal — the axis in a crystal