12-letter words containing a, l, d, e
- pseudoallele — a false allele
- pseudocereal — any of several plants, as buckwheat and quinoa, that produce fruits and seeds used as flour but are not of the grass family.
- pseudopodial — a temporary protrusion of the protoplasm, as of certain protozoans, usually serving as an organ of locomotion or prehension.
- pseudoscalar — a scalar quantity that changes sign when the sense of the orientation of the coordinate system is changed.
- puzzleheaded — having, deriving from, or characterized by confused thoughts or ideas.
- pyritohedral — of or relating to a pyritohedron
- quadraplegic — quadriplegic.
- quadriennial — quadrennial.
- quadriplegia — paralysis of all four limbs or of the entire body below the neck.
- quadriplegic — a person with quadriplegia.
- quadrivalent — having a valence of four; tetravalent.
- quadruplexes — Plural form of quadruplex.
- quasi-feudal — of, relating to, or of the nature of a fief or fee: a feudal estate.
- queenslander — a native or inhabitant of Queensland
- quindecaplet — a group of 15
- radical left — the faction representing extreme left-wing political views, often Marxist or Maoist in ideology.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- radioelement — a radioactive element.
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- railroad pen — a ruling pen for drawing two parallel lines.
- rally driver — sports-car racer
- rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
- ravioli code — (jargon, humour) Object-oriented code consisting of a number of small and loosely-coupled software components. Presumably, the term is a compliment, contrasting the code with spaghetti code.
- re-landscape — a section or expanse of rural scenery, usually extensive, that can be seen from a single viewpoint.
- reading lamp — A reading lamp is a small lamp that you keep on a desk or table. You can move part of it in order to direct the light to where you need it for reading.
- reading list — a list of sources (recommended by a teacher or university lecturer) which provide additional or background information on a subject being studied
- rear admiral — U.S. Navy, Coast Guard. a commissioned officer next in rank below a vice-admiral.
- recalibrated — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- recirculated — to move in a circle or circuit; move or pass through a circuit back to the starting point: Blood circulates throughout the body.
- reclassified — to classify anew.
- record label — recorded music production company
- red larkspur — a plant, Delphinium nudicaule, of the buttercup family, native to the western coast of the U.S., having orange-red or sometimes yellow flowers.
- red valerian — a bushy valerian, Centranthus ruber, of Europe and southwestern Asia, having many fragrant red, crimson, or white flowers.
- redelegation — a group or body of delegates: Our club sent a delegation to the rally.
- reed warbler — a small Old World warbler, Acrocephalus scirpaceus, inhabiting marshy places.
- regardlessly — having or showing no regard; heedless; unmindful (often followed by of).
- rehydratable — capable of being rehydrated
- reiteratedly — in a repetitive or reiterative manner
- release date — the time, as the day, part of the day, and sometimes the hour, on or at which release copy may be published or broadcast.
- renewal date — The renewal date of an existing insurance contract is the date on which it must be renewed.
- retail trade — shop selling
- revalidation — to make valid; substantiate; confirm: Time validated our suspicions.
- revictualled — victuals, food supplies; provisions.
- reward claim — a claim granted to a miner who discovered gold in a new area
- rhode island — US state
- rhombohedral — a solid bounded by six rhombic planes.
- rideau canal — a waterway in SE Ontario, Canada, connecting the Ottawa Riverin Ottawa to Lake Ontario in Kingston. 125 miles (202 km) long.
- right-angled — A right-angled triangle has one angle that is a right angle.
- rijksdaalder — a cupronickel or silver coin of the Netherlands, equal to 2½ guilders.