25-letter words containing h, i, n

northern corn-leaf blight — northern leaf blight.
not for the faint-hearted — If you say that something is not for the faint-hearted, you mean that it is an extreme or very unusual example of its kind, and is not suitable for people who like only safe and familiar things.
not know what has hit one — to be completely taken by surprise
nothing to choose between — (of two people or objects) almost equal
nuffield teaching project — (in Britain) a complete school programme in mathematics, science, languages, etc, with suggested complementary theory and practical work
occupational psychologist — a person who makes a study of human behaviour at work, including ergonomics, selection procedures, and the effects of stress
on the big/small etc side — If you say that something is on the small side, you are saying politely that you think it is slightly too small. If you say that someone is on the young side, you are saying politely that you think they are slightly too young.
on the horns of a dilemma — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
on the side of the angels — If you say that someone is on the side of the angels, you believe very strongly that what they are doing is right.
on the tip of your tongue — If a comment or question is on the tip of your tongue, you really want to say it or ask it, but you decide not to say it.
on the understanding that — with the condition that; providing
organizational psychology — the study of the structure of an organization and of the ways in which the people in it interact, usually undertaken in order to improve the organization
orpheus in the underworld — a classical operetta; the French name is Orphée aux enfers
out of sight, out of mind — If you say 'out of sight, out of mind', you mean that people quickly forget someone if he or she goes away.
over-the-counter medicine — An over-the-counter medicine is a medicine that may be sold without a doctor's prescription.
oxidative phosphorylation — the aerobic synthesis, coupled to electron transport, of ATP from phosphate and ADP.
peripheral nervous system — the portion of the nervous system lying outside the brain and spinal cord.
phase contrast microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
phase-contrast microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
pick/take up the gauntlet — If you pick up the gauntlet or take up the gauntlet, you accept the challenge that someone has made.
play into someone's hands — a dramatic composition or piece; drama.
polymerase chain reaction — a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in DNA fingerprinting, in detecting minute quantities of cancer cells, etc.
polynomial-time algorithm — (complexity) A known algorithm (or Turing Machine) that is guaranteed to terminate within a number of steps which is a polynomial function of the size of the problem. See also computational complexity, exponential time, nondeterministic polynomial-time (NP), NP-complete.
portable network graphics — (file format) /ping/ (PNG) An extensible file format for the lossless, portable, well-compressed storage of raster images. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-colour, greyscale and truecolour images are supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits. PNG is designed for on-line viewing applications, such as the World Wide Web, so it is fully streamable with a progressive display option. PNG is robust, providing both full file integrity checking and simple detection of common transmission errors. Also, PNG can store gamma correction and chromaticity data for improved colour matching on heterogeneous platforms.
preferred ordinary shares — shares issued by a company that rank between preference shares and ordinary shares in the payment of dividends
put on one's thinking cap — to ponder a matter or problem
put one's head in a noose — to bring about one's own downfall
rate monotonic scheduling — (algorithm) A means of scheduling the time allocated to periodic hard-deadline real-time users of a resource. The users are assigned priorities such that a shorter fixed period between deadlines is associated with a higher priority. Rate monotonic scheduling provides a low-overhead, reasonably resource-efficient means of guaranteeing that all users will meet their deadlines provided that certain analytical equations are satisfied during the system design. It avoids the design complexity of time-line scheduling and the overhead of dynamic approaches such as earliest-deadline scheduling.
read someone the riot act — If someone in authority reads you the riot act, they tell you that you will be punished unless you start behaving properly.
rehabilitation department — a government department set up after World War II to assist ex-servicemen
ruby-throated hummingbird — a small hummingbird, Archilochus colubris, the only hummingbird of eastern North America, having metallic-green upper plumage and a bright red throat in the male.
saddle block (anesthesia) — a method of spinal anesthesia, often used during obstetric delivery, that produces anesthesia in that area of the body that would be in contact with a saddle during horseback riding
saint joseph of arimathea — a wealthy member of the Sanhedrin, who obtained the body of Jesus after the Crucifixion and laid it in his own tomb (Matthew 27:57–60). Feast day: Mar 17 or July 31
selective synchronization — a sound-recording process that facilitates overdubs by feeding the recorded track to the performer straight from the recording head
sequential parlog machine — (SPM) The virtual machine (and its machine code) for the Parlog logic programming language.
shoot oneself in the foot — to damage one's own cause inadvertently
slip/fall through the net — You use slip through the net or fall through the net to describe a situation where people are not properly cared for by the system that is intended to help them.
stand in a person's light — to stand so as to obscure a person's vision
stretch one's imagination — If you say that something stretches your imagination, you mean that it is good because it makes you think about things that you had not thought about before.
sulphate-resisting cement — a type of Portland cement that resists normal concentrations of sulphates: used in concrete for flues and underwater work
sympathetic introspection — a study of human conduct in which the investigator imagines himself or herself engaged in that conduct.
take sth under advisement — If someone in authority takes a matter under advisement, they decide that the matter needs to be considered more carefully, often by experts.
take the queen's shilling — to enlist in the army
take the sting out of sth — If something takes the sting out of a situation, it makes it less unpleasant.
tetragonal trisoctahedron — Geometry. a trisoctahedron the faces of which are quadrilaterals; trapezohedron.
the ball is in sb's court — If you say that the ball is in someone's court, you mean that it is his or her responsibility to take the next action or decision in a situation.
the ball is in your court — you are obliged to make the next move
the empire state building — a very high skyscraper in New York City
the first epistle of john — an epistle attributed to the apostle John which counters claims that Jesus Christ came only in spirit and not in the flesh
the industrial revolution — the transformation in the 18th and 19th centuries of first Britain and then other W European countries and the US into industrial nations

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