23-letter words containing a, n, t, o, v

have one's work cut out — to have as much work as one can manage
have the makings of sth — If you say that a person or thing has the makings of something, you mean it seems possible or likely that they will become that thing, as they have the necessary qualities.
have tickets on oneself — to be conceited
heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
hierarchical navigation — (web) On a web page, any type of menu whose hierarchical structure matches that of the site to which the page belongs. A hierarchical navigation menu allows the user to jump ("navigate") directly to a section of the site several levels below the top. The menu may present only a fixed number of levels rather than the whole structure.
in favour/out of favour — If someone or something is in favour, people like or support them. If they are out of favour, people no longer like or support them.
interval of convergence — an interval associated with a given power series such that the series converges for all values of the variable inside the interval and diverges for all values outside it.
juvenile-onset diabetes — diabetes (def 3).
leave no stone unturned — the hard substance, formed of mineral matter, of which rocks consist.
masters of the universe — extremely powerful and wealthy members of the financial professions
moving target indicator — a Doppler-radar presentation that indicates moving targets only, stationary objects reflecting signals that the system rejects. Abbreviation: MTI.
national health service — In Britain, the National Health Service is the state system for providing medical care. It is paid for by taxes.
negative bending moment — a bending moment that produces convex bending at the supports of a continuously supported beam
nonverbal communication — gesture and facial expression
on one's best behaviour — behaving with careful good manners
on one's own initiative — without being prompted
on someone's wavelength — having similar views, feelings, or thoughts (as someone else)
on the same wave length — Physics. the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation.
order of the visitation — a religious order of nuns founded in 1610 by St Francis of Sales and dedicated to contemplation and the cultivation of humility, gentleness, and sisterly love
over-the-counter market — a security market that deals in securities that are not listed or quoted on a stock exchange
overnight accommodation — accommodation provided by an establishment (such as a hotel) where guests can sleep or spend the night
own occupation coverage — Own occupation coverage is insurance that covers a person if they cannot work in their own occupation, following an accident, injury, or disability.
participant observation — a technique of field research, used in anthropology and sociology, by which an investigator (participant observer) studies the life of a group by sharing in its activities.
positive discrimination — special opportunities
presidential government — a system of government in which the powers of the president are constitutionally separate from those of the legislature.
private limited company — a company whose shares can be bought by the public
productivity bargaining — the process of reaching an agreement (productivity agreement) through collective bargaining whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
provocative maintenance — [Common ironic mutation of "preventive maintenance"] Actions performed upon a machine at regularly scheduled intervals to ensure that the system remains in a usable state. So called because it is all too often performed by a field servoid who doesn't know what he is doing; such "maintenance" often *induces* problems, or otherwise results in the machine's remaining in an *un*usable state for an indeterminate amount of time. See also scratch monkey.
quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
quote chapter and verse — [by analogy with the mainstream phrase] To cite a relevant excerpt from an appropriate bible. "I don't care if "rn" gets it wrong; "Followup-To: poster" is explicitly permitted by RFC 1036. I'll quote chapter and verse if you don't believe me." See also legalese, language lawyer, RTFS (sense 2).
regressive assimilation — assimilation in which a following sound has an effect on a preceding one, as in pronouncing have in have to as [haf] /hæf/ (Show IPA) influenced by the voiceless (t) in to.
relative sunspot number — a number indicating the degree of sunspot activity on the sun as a factor of observer idiosyncrasies, the number of sunspot groups, and the number of individual sunspots.
relativity of knowledge — the theory that all knowledge is relative to the mind, or that things can be known only through their effects on the mind, and that consequently there can be no knowledge of reality as it is in itself
reverse polish notation — postfix notation
roentgen equivalent man — the dose of ionizing radiation that produces the same effect in man as one roentgen of x- or gamma-radiation
rotation-inversion axis — an axis of a crystal such that rotating about the axis and then inverting the crystal brings the crystal back to its original position.
saint christopher-nevis — St. Kitts-Nevis.
secondary seventh chord — a chord formed by superposition of three thirds upon any degree of the scale except the dominant.
seneca falls convention — a women's rights convention held at Seneca Falls, New York, in 1848, organized by Elizabeth Cady Stanton and Lucretia Mott.
separation of variables — a grouping of the terms of an ordinary differential equation so that associated with each differential is a factor consisting entirely of functions of the independent variable appearing in the differential.
sovereignty association — (in Canada) a proposed arrangement by which Quebec would become independent but would maintain a formal association with Canada
soviet of nationalities — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
sustainable development — supporting economy via renewable resources
the haves and have-nots — the people who are very wealthy and the people who are very poor
the royal naval reserve — the volunteer reserve force of the Royal Navy in the United Kingdom
to drive a hard bargain — If people drive a hard bargain, they argue with determination in order to achieve a deal which is favourable to themselves.
to have an axe to grind — If someone has an axe to grind, they are doing something for selfish reasons.
to have feelings for sb — to be emotionally or sexually attracted to
to have your hands full — If you have your hands full with something, you are very busy because of it.
to save someone's bacon — If someone or something saves your bacon, they get you out of a dangerous or difficult situation.

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