17-letter words containing o, p, e, n, i
- a grip on reality — If you say that someone has a grip on reality, you mean they recognize the true situation and do not have mistaken ideas about it.
- a sporting chance — If you have a sporting chance of doing something, it is quite likely that you will do that thing.
- absorption nebula — a cloud of interstellar gas and dust that absorbs and thus obscures the light from stars behind it, appearing as a dark patch in front of a bright nebula or in an otherwise bright area of sky.
- acanthopterygians — Plural form of acanthopterygian.
- acceptance region — Statistics. the set of values of a test statistic for which the null hypothesis is accepted.
- access permission — permission
- accessory pigment — any pigment in plants that can absorb light energy and pass the electrons along to the primary pigment which starts the process of photosynthesis.
- accounting period — a period of time for which accounts are drawn up
- acenaphthoquinone — (organic compound) A polycyclic aromatic quinone derived from acenaphthene, used as an intermediate for the manufacturing of dyes, pharmaceuticals and pesticides.
- act of parliament — a law that has been passed by both of the UK Houses of Parliament and has received royal assent
- active suspension — a type of suspension in a car that is controlled by an onboard computer and improves the vehicle's roadholding so that it takes corners, accelerates, and brakes more smoothly
- acupressure point — any of the specific points on the body where pressure is applied in acupressure
- adjective pronoun — a pronoun used as an adjective, as his in His dinner is ready.
- adoptive immunity — passive immunity resulting from the administration of sensitized lymphocytes from an immune donor.
- air-transportable — that can be transported by aircraft: air-transportable equipment.
- alligator snapper — a large, freshwater snapping turtle (Macroclemys temmincki) of the SE U.S. and the Mississippi Valley, found chiefly in rivers and bayous: it may weigh up to 100 kg (220 lb)
- alpha-fetoprotein — a protein that forms in the liver of the human fetus. Excessive quantities in the amniotic fluid and maternal blood may indicate spina bifida in the fetus; low levels may point to Down's syndrome
- altamonte springs — a city in central Florida.
- alternating group — the subgroup consisting of all even permutations, of the group of all permutations of a finite set.
- ammonium sulphate — a white soluble crystalline solid used mainly as a fertilizer and in water purification. Formula: (NH4)2SO4
- aneroid barograph — an aneroid barometer equipped with an automatic recording mechanism.
- anthropogenically — In an anthropogenic way.
- anthropomorphises — Third-person singular simple present indicative form of anthropomorphise.
- anthropomorphized — Simple past tense and past participle of anthropomorphize.
- anthroposemiotics — The study of human communication.
- anti-profiteering — a person who seeks or exacts exorbitant profits, especially through the sale of scarce or rationed goods.
- anticompetitively — In an anticompetitive manner.
- antiproliferation — opposing an increase in nuclear weapons, especially in allowing additional countries to obtain them.
- antiproliferative — of or relating to a substance used to prevent or retard the spread of cells, especially malignant cells, into surrounding tissues.
- application layer — (networking) The top layer of the OSI seven layer model. This layer handles issues like network transparency, resource allocation and problem partitioning. The application layer is concerned with the user's view of the network (e.g. formatting electronic mail messages). The presentation layer provides the application layer with a familiar local representation of data independent of the format used on the network.
- appointed actuary — An appointed actuary is an actuary appointed by a life insurance company, whose main role is to carry out a regular valuation of the reserves held to pay future policy benefits.
- arsenic poisoning — poisoning by arsenic
- artificial person — a human being, whether an adult or child: The table seats four persons.
- astral projection — the departure of the astral body from the physical body, in order to travel to the astral plane
- at one's disposal — If you have something at your disposal, you are able to use it whenever you want, and for whatever purpose you want. If you say that you are at someone's disposal, you mean that you are willing to help them in any way you can.
- attraction sphere — centrosphere (sense 1)
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- beyond comparison — outstanding, without equal
- beyond redemption — If you say that someone or something is beyond redemption, you mean that they are so bad it is unlikely that anything can be done to improve them.
- biological parent — a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
- biological weapon — a weapon which uses a biological agent to harm people and other living organisms
- blowpipe analysis — a type of chemical analysis in which the intensely hot flame of a blowpipe vaporizes a mineral or other substance with a characteristically colored flame and a unique odor, so as to identify chemical elements in a substance
- book depreciation — Book depreciation is depreciation in a company's internal financial records that is different from the amount that is used for taxes.
- boolean operation — any operation in which each of the operands and the result take one of two values.
- boothia peninsula — a peninsula of N Canada: the northernmost part of the mainland of North America, lying west of the Gulf of Boothia, an arm of the Arctic Ocean
- bottom-up testing — (programming) An integration testing technique that tests the low-level components first using test drivers for those components that have not yet been developed to call the low-level components for test. Compare bottom-up implementation.
- branch prediction — (processor, algorithm) A technique used in some processors with instruction prefetch to guess whether a conditional branch will be taken or not and prefetch code from the appropriate location. When a branch instruction is executed, its address and that of the next instruction executed (the chosen destination of the branch) are stored in the Branch Target Buffer. This information is used to predict which way the instruction will branch the next time it is executed so that instruction prefetch can continue. When the prediction is correct (and it is over 90% of the time), executing a branch does not cause a pipeline break. Some later CPUs simply prefetch both paths instead of trying to predict which way the branch will go. An extension of the idea of branch prediction is speculative execution.
- brazilian peridot — a light yellowish-green tourmaline used as a gem: not a true peridot.
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