15-letter words containing e, a, r, l, i
- nonattributable — not capable of being attributed to a particular source or cause
- noncredentialed — not credentialed or lacking credentials
- nonexperimental — pertaining to, derived from, or founded on experiment: an experimental science.
- nonhierarchical — Classified or arranged so that a group or person has the same authority as everyone else; not hierarchical.
- noninstrumental — serving or acting as an instrument or means; useful; helpful.
- nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
- nonmelodramatic — Not melodramatic.
- nonmetaphorical — not metaphorical; literal
- nonmetropolitan — Not metropolitan.
- nonprecedential — Not precedential.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonrelativistic — not concerned with or involving the theory of relativity
- not necessarily — If you reply 'Not necessarily', you mean that what has just been said or suggested may not be true.
- nuclear fission — fission (def 2).
- nuclear physics — the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
- nuclear testing — the process of carrying out a test on a nuclear weapon to determine effectiveness, etc
- nuisance caller — someone who makes an unsolicited telephone call such as a prank call or a call for telemarketing purposes
- obedience trial — a competitive event at which a dog can progress toward a degree in obedience by demonstrating its ability to follow a prescribed series of commands.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obtuse triangle — a triangle with one obtuse angle.
- official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
- oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
- oil tanker pier — An oil tanker pier is a structure over water where oil tankers can stop and load or unload.
- old father time — time personified
- old high german — High German before 1100. Abbreviation: OHG.
- oligodendroglia — Oligodendrocytes collectively.
- oligomerisation — Alternative spelling of oligomerization.
- oligomerization — (chemistry) The formation of an oligomer from a monomer.
- oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- on the trail of — If you are on the trail of a person or thing, you are trying hard to find them or find out about them.
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- orange milkweed — butterfly weed (def 1).
- orchestrational — Of or pertaining to orchestration.
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organized labor — all workers who are organized in labor unions.
- organochlorines — Plural form of organochlorine.
- organomercurial — an organic compound containing mercury
- oriental carpet — Oriental rug.
- orientationally — With regard to orientation.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthopaedically — in an orthopaedic manner