15-letter words containing r, i, e, m
- pulmobranchiate — possessing a pulmobranch
- pure and simple — sheer, utter
- purple trillium — birthroot (def 1).
- purslane family — the plant family Portulacaceae, characterized by chiefly herbaceous plants having simple, often fleshy leaves, sometimes showy flowers, and capsular fruit, and including bitterroot, purslane, red maids, rose moss, and spring beauty.
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- pyrometric cone — (in a kiln) a triangular piece of material that indicates by bending or melting that a certain temperature has been reached.
- quartermistress — the female equivalent of a quartermaster
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- question master — quizmaster.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- radio programme — something that is broadcast on radio
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radiogoniometer — a device used to detect the direction of radio waves, consisting of a coil that is free to rotate within two fixed coils at right angles to each other
- radiogoniometry — the science of detecting the direction of radio waves
- radiometrically — using a radiometric method, in terms of radiometry
- radiomicrometer — an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
- radiotelemetric — of or relating to radiotelemetry
- ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
- ramjet (engine) — a jet engine, without moving parts, in which the air for oxidizing the fuel is continuously compressed by being rammed into the inlet by the high velocity of the aircraft
- random variable — a quantity that takes any of a set of values with specified probabilities.
- rational number — a number that can be expressed exactly by a ratio of two integers.
- raw milk cheese — cheese or a cheese made with unpasteurized milk
- re-entry permit — a permit required to return to certain countries after leaving for an extended period of time
- readvertisement — the act or process of advertising something again
- reaping machine — any of various machines for reaping grain, often fitted with a device for automatically throwing out bundles of the cut grain.
- reapportionment — the act of redistributing or changing the apportionment of something.
- rearview mirror — a mirror mounted on the side, windshield, or instrument panel of an automobile or other vehicle to provide the driver with a view of the area behind the vehicle.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- recombinational — belonging or relating to recombination
- recontamination — the act of contaminating, or of making something impure or unsuitable by contact with something unclean, bad, etc.
- recreation room — (in a home or public building) a room for informal entertaining, as for dancing, games, cards, etc.
- red spider mite — a plant-feeding mite, Panonychus ulmi, of the family Tetranychidae, which is a serious orchard pest
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
- redetermination — the act of coming to a decision or of fixing or settling a purpose.
- redisbursements — the act or an instance of disbursing.
- redocumentation — The creation or revision of a semantically equivalent representation within the same relative abstraction level. The resulting forms of representation are usually considered alternate views intended for a human audience.
- reed instrument — a wind instrument with a single or double reed, as a saxophone or an oboe.
- refamiliarizing — to make (onself or another) well-acquainted or conversant with something.
- refinery revamp — A refinery revamp is a change in the technology or processes used in a refinery.
- regimental band — a band made up of a military formation varying in size from a battalion to a number of battalions
- registered mail — prepaid first-class mail that has been recorded at a post office prior to delivery for safeguarding against loss, theft, or damage during transmission.
- registered name — the official or trademark name of something such as a product or company
- regular premium — A regular premium is money paid to buy insurance coverage in installments at particular time intervals, such as monthly or annually.
- regulation time — the standard duration of a sports game, before the addition of any extra time to determine a winner, etc
- relational dbms — relational database
- relaxation time — the time that it takes for an exponentially decaying quantity, as radioactive particles or transient electrical currents, to decrease to 36.8 percent of its initial value.
- remand prisoner — a prisoner who is sent back into custody (or sometimes admitted to bail) to await trial or continuation of their trial
- rememberability — the quality of being easily remembered