13-letter words containing o, r, t, h, e, l
- nephelometric — Bacteriology. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
- neuroethology — the study of the role of the nervous system in animal behaviour
- nonhysterical — not hysterical or funny
- nontheatrical — not relating to the theatre
- norethynodrel — a progestin, C 2 0 H 2 6 O 2 , used in combination with an estrogen in some oral contraceptives.
- north belmont — a town in S North Carolina.
- north channel — a strait between SW Scotland and NE Ireland. 14 miles (23 km) wide at the narrowest point.
- north olmsted — a city in NE Ohio, near Cleveland.
- north sea oil — oil extracted from deposits beneath the North Sea
- northallerton — a market town in N England, administrative centre of North Yorkshire. Pop: 15 517 (2001)
- northeasterly — of or located in the northeast.
- northerliness — The quality of being northerly.
- northern blot — Biology, Medicine/Medical. a procedure for studying the activity of a specific gene, as in testing for a hereditary defect: RNA fragments in an extract of a cell population or a tissue are separated by gel electrophoresis, transferred to a filter, and then hybridized with labeled DNA or RNA derived from a laboratory-engineered copy of the gene in order to identify the size and abundance of the RNA expressed by that gene.
- northwesterly — Situated in, or pointing to, the northwest.
- of all others — above all others
- off the rails — into or in a state of dysfunction or disorder
- old northwest — a territory of Canada lying N of 60 degrees N and extending E from the Yukon Territory to Nunavut. 519,732 sq. mi. (1,346,106 sq. km) Capital: Yellowknife.
- on the razzle — out enjoying oneself or celebrating, esp while drinking freely
- openheartedly — Alt form open-heartedly.
- orchestralist — a person who writes or arranges orchestral music
- 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.
- orthocephalic — having a medium or intermediate relation between the height of the skull and the breadth or length.
- orthoepically — In terms of correct pronunciation.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthogonalize — to make (vectors, functions, etc.) orthogonal.
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- orthosilicate — a silicate mineral
- otherworldish — characterized by otherworldliness
- over the hill — a natural elevation of the earth's surface, smaller than a mountain.
- parental home — a school for problem children.
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- patent holder — a person or company that holds a patent
- perchlorinate — to combine with the maximum proportion of chlorine.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photoallergic — photosensitive.
- photoelectric — pertaining to the electronic or other electric effects produced by light.
- photoelectron — an electron emitted from a system by the photoelectric effect.
- phototelegram — a telegram that is sent by means of phototelegraphy
- phraseologist — a person who treats of or is concerned with phraseology.
- phytoplankter — a minute organism which constitutes part of phytoplankton
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
- pre-adulthood — of or relating to the period prior to adulthood: preadult strivings for independence.