16-letter words containing o, c, a, r
- radiosymmetrical — radially symmetrical.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
- rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
- rancho cucamonga — a city in SE California.
- rape of the lock — a mock-epic poem (1712) by Alexander Pope.
- rate of exchange — exchange rate.
- rating community — an online community based around a website that allows members to rate each other's photographs, qualifications, etc, as well as those of applicants, and which only those approved by existing members are allowed to join
- rattle so's cage — If someone rattles your cage, they do something which is intended to make you feel nervous.
- re-accreditation — to ascribe or attribute to (usually followed by with): He was accredited with having said it.
- re-chromatograph — to separate and analyse (a mixture of liquids or gases) by means of chromatography a second or further time
- reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
- reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
- rearguard action — an action fought by a rearguard
- recapitalization — a revision of a corporation's capital structure by an exchange of securities.
- reclassification — categorization in a different way
- reconceptualized — to form into a concept; make a concept of.
- record separator — (character) (RS) ASCII character 30.
- recorded message — words spoken by someone and recorded electronically in order to be replayed again in future, esp automatically over the phone
- recreational sex — sex for the purpose of pleasure rather than reproduction, without the commitment of a relationship
- 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
- 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
- reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
- refrigerator car — a freight car having either an ice chest or machinery for chilling perishables and sometimes having a heating unit to keep perishables from freezing.
- regional council — the governing body in certain countries of a particular region or administrative division
- reidentification — an act or instance of identifying; the state of being identified.
- reinsurance pool — the grouping of insurers that provide partial or complete insurance coverage to other insurers for (a risk on which a policy has already been issued)
- releasing factor — a substance usually of hypothalamic origin that triggers the release of a particular hormone from an endocrine gland.
- relocation costs — payment made by an employer or a government agency to cover removal expenses and other costs incurred by an employee who is required to take up employment elsewhere
- replacement cost — fee to obtain new version of sth
- reporting clause — A reporting clause is a clause which indicates that you are talking about what someone said or thought. For example, in 'She said that she was hungry', 'She said' is a reporting clause.
- reserve buoyancy — the difference between the volume of a hull below the designed waterline and the volume of the hull below the lowest opening incapable of being made watertight.
- resonant circuit — A resonant circuit combines an inductor and capacitor to make a circuit that responds to a frequency.
- restriction play — a limited number of opening moves that are predetermined by their chance selection from an accepted list.
- retrocessionaire — a reinsurance company that accepts or takes a retrocession.
- reversal process — a process for converting the negative on a film or plate to a positive by bleaching and redeveloping.
- rhabdomyosarcoma — a malignant tumor made up of striated muscle tissue.
- rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
- riau archipelago — a group of islands belonging to Indonesia, off the SE coast of the Malay Peninsula, at the entrance to the Strait of Malacca. 36,510 sq. mi. (94,561 sq. km).
- ribonucleic acid — RNA.
- riccati equation — a differential equation, dy/dx + fy 2 + gy + h = 0, where f, g, and h are functions of x.
- rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
- right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
- risus sardonicus — fixed contraction of the facial muscles resulting in a peculiar distorted grin, caused esp by tetanus
- romantic fiction — a genre of fiction focused on romantic love
- round lake beach — a town in NE Illinois.
- roundabout chair — corner chair.
- royal commission — (in Britain) a body set up by the monarch on the recommendation of the prime minister to gather information about the operation of existing laws or to investigate any social, educational, or other matter. The commission has prescribed terms of reference and reports to the government on how any change might be achieved
- run the blockade — to go past or through a blockade
- saccharification — to convert (starch) into sugar.