15-letter words containing e, y, l, i
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- neurotoxicology — the science that deals with the effects of poisons on the nervous system.
- neutral density — black, white, or a shade of grey; a colourless tone
- nicholas ridley — Nicholas, c1500–55, English bishop, reformer, and martyr.
- nickel carbonyl — a colorless or yellow, volatile, water-insoluble, poisonous, flammable liquid, Ni(CO) 4 , obtained by the reaction of nickel and carbon monoxide, and used for nickel-plating.
- non-crystalline — of or like crystal; clear; transparent.
- non-feasibility — capable of being done, effected, or accomplished: a feasible plan.
- non-flexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- nonbelligerency — the state or status of not participating in a war.
- nonspecifically — in a nonspecific way
- not necessarily — If you reply 'Not necessarily', you mean that what has just been said or suggested may not be true.
- nuclear physics — the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
- nucleophilicity — (uncountable) The condition of being nucleophilic.
- nucleosynthesis — the formation of new atomic nuclei by nuclear reactions, thought to occur in the interiors of stars and in the early stages of development of the universe.
- nucleosynthetic — Of or pertaining to nucleosynthesis.
- null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- oligodendrocyte — A glial cell similar to an astrocyte but with fewer protuberances, concerned with the production of myelin in the central nervous system.
- operating cycle — the period of time between starting a business and making a profit
- orderly officer — Military. officer of the day, as in the British army or, formerly, in the U.S. Army.
- orientationally — With regard to orientation.
- orthopaedically — in an orthopaedic manner
- over-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
- over-complexity — the state or quality of being complex; intricacy: the complexity of urban life.
- overconfidently — In an overconfident manner.
- overemotionally — In an overemotional manner.
- overfamiliarity — The state of being overfamiliar.
- oxygen cylinder — a metal cylinder containing oxygen under pressure
- oxytetracycline — a dull-yellow, crystalline antibiotic powder, C 2 2 H 2 4 N 2 O 9 , produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses.
- package holiday — a holiday arranged by a travel company in which your travel and accommodation are booked for you
- palaeolimnology — the study of ancient lake ecologies
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- paradise valley — a town in SW Arizona.
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parliamentarily — in a parliamentary manner
- participatively — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- paternity leave — a leave of absence from a job for a father to care for a new baby.
- payment holiday — a break taken from paying ( a debt etc) back
- pearly nautilus — nautilus (def 1).
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- peroxysulphuric — as in peroxysulphuric acid
- perpendicularly — vertical; straight up and down; upright.
- personal injury — injury to an individual
- pessimistically — pertaining to or characterized by pessimism or the tendency to expect only bad outcomes; gloomy; joyless; unhopeful: His pessimistic outlook kept him from applying for jobs for which he was perfectly qualified.
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- phosphorylative — of or relating to phosphorylation
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.