16-letter words containing a, r, n, d
- radium emanation — (formerly) radon.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- rag-and-bone man — a peddler who buys and sells used clothes, rags, etc.; junkman.
- railroad station — railway station, train stop
- ramsden eyepiece — an eyepiece consisting of two plano-convex crown-glass lenses of equal focal length, placed with the convex sides facing each other and with a separation between the lenses of about two-thirds of the focal length of each.
- random vibration — Random vibration is a type of forced vibration in which the motion follows no regular pattern.
- ranelagh gardens — a public garden in Chelsea opened in 1742: a centre for members of fashionable society to meet and promenade. The gardens were closed in 1804
- ranikhet disease — Newcastle disease.
- rattle around in — to live or work in (a house, office, etc.) that is too big for one's needs
- rattlesnake weed — a hawkweed, Hieracium venosum, of eastern North America, whose leaves and root are thought to possess medicinal properties.
- re-accreditation — to ascribe or attribute to (usually followed by with): He was accredited with having said it.
- read only memory — ROM.
- read-only memory — ROM.
- reading material — any matter that can be read; written or printed text
- rearguard action — an action fought by a rearguard
- reasonable doubt — law: grounds for believing sb is innocent
- reconceptualized — to form into a concept; make a concept of.
- rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
- red-flannel hash — hash made of ground corned beef, potatoes, and beets
- redbank whiteoak — a city in S Tennessee.
- redemption value — the price at which the issuing company may choose to repurchase a security before its maturity date
- redistributional — a distribution performed again or anew.
- redundancy money — a sum of money given by an employer to an employee who has been made redundant: usually calculated on the basis of the employee's rate of pay and length of service
- refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
- reflexive domain — A domain satisfying a recursive domain equation. E.g. D = D -> D.
- refractive index — index of refraction.
- register dancing — Many older processor architectures suffer from a serious shortage of general-purpose registers. This is especially a problem for compiler-writers, because their generated code needs places to store temporaries for things like intermediate values in expression evaluation. Some designs with this problem, like the Intel 80x86, do have a handful of special-purpose registers that can be pressed into service, providing suitable care is taken to avoid unpleasant side effects on the state of the processor: while the special-purpose register is being used to hold an intermediate value, a delicate minuet is required in which the previous value of the register is saved and then restored just before the official function (and value) of the special-purpose register is again needed.
- reidentification — an act or instance of identifying; the state of being identified.
- relational model — relational data model
- relative density — specific gravity.
- released version — release
- remedial reading — instruction in reading aimed at increasing speed and comprehension by correcting poor reading habits.
- required reading — If you say that something is required reading for a particular group of people, you mean that you think it is essential for them to read it because it will give them information which they should have.
- research student — a student studying for a doctoral award, that is, a PhD or an MPhil
- reservation desk — a desk in a hotel, office, etc, where an employee takes bookings for rooms, tickets, etc
- residential care — the provision by a welfare agency of a home with social-work supervision for people who need more than just housing accommodation, such as children in care or mentally handicapped adults
- residential home — a home with social-work supervision for people who need more than just housing accommodation, such as esp the elderly, and also children in care or mentally handicapped adults
- residual current — an electric current that continues to flow in a device, etc when there is no voltage supply, due to electrons emitted by heat, etc
- rhode island red — one of an American breed of chickens having dark reddish-brown feathers and producing brown eggs.
- rhythm and blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
- rhythm-and-blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
- ribonucleic acid — RNA.
- richard stallman — (person) Richard M. Stallman. Founder of the GNU project. He resigned from the AI lab at MIT so he would be free to produce free software which he could then distribute on his own terms. He went on to establish the Free Software Foundation to support the production of free software and ensure its free distribution. E-mail: <[email protected]>.
- right-hand drive — A right-hand drive vehicle has its steering wheel on the right side. It is designed to be driven in countries such as Britain, Japan, and Australia where people drive on the left side of the road.
- rigid designator — an expression that identifies the same individual in every possible world: for example, "Shakespeare" is a rigid designator since it is possible that Shakespeare might not have been a playwright but not that he might not have been Shakespeare
- risus sardonicus — fixed contraction of the facial muscles resulting in a peculiar distorted grin, caused esp by tetanus
- rodent operative — a name sometimes used for an official (operative) employed by a local authority to destroy vermin
- romeo and juliet — a tragedy (produced between 1591 and 1596) by Shakespeare.
- roosevelt island — Formerly Welfare Island, Blackwells Island. an island in the East River, New York City: residential community. 1½ miles (2½ km) long.
- roskind grammars — (tool) Yacc-based parsers for C and C++ by Jim Roskind. It does not use the %prec and %assoc YACC features so conflicts are never hidden. The C grammar has only one shift-reduce conflict, the C++ grammar has a few more. With byacc it can produce graphical parse trees automatically. The C grammar conforms to ANSI C and the C++ grammar supports cfront 2.0 constructs.