12-letter words containing a, d, m, i, r
- postmeridian — of or relating to the afternoon.
- pot marigold — calendula (def 1).
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- preadmission — (in a reciprocating engine) admission of steam or the like to the head of the cylinder near the end of the stroke, as to cushion the force of the stroke or to allow full pressure at the beginning of the return stroke.
- predominance — the state, condition, or quality of being predominant: the predominance of the rich over the poor.
- premedicated — to treat with medicine or medicaments.
- premeditated — done deliberately; planned in advance: a premeditated murder.
- premium deal — a commercial transaction in which a special incentive or bonus is offered
- primigravida — a woman pregnant for the first time.
- primordially — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- promuscidate — shaped like a proboscis
- propagandism — the art, system, or use of propaganda
- pteridomania — an excessive enthusiasm for ferns
- pyramid peak — a mountain in W central Colorado, in the Elk Range, in the S Rocky Mountains. 14,018 feet (4276 meters).
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- pyrazinamide — a substance, C 5 H 5 N 3 O, used in the treatment of tuberculosis.
- pyridoxamine — a metabolic form of pyridoxine
- quadragesima — the first Sunday in Lent.
- quadriennium — quadrennium.
- quadrinomial — consisting of four terms.
- quadrominium — a building consisting of four individually owned apartments or living units.
- racemic acid — an isomeric modification of tartaric acid that is sometimes found in the juice of grapes in conjunction with the common dextrorotatory form and is optically inactive but can be separated into the two usual isomeric forms, dextrorotatory and levorotatory.
- radioelement — a radioactive element.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- radiothorium — a disintegration product of thorium.
- re-admission — the act of allowing to enter; entrance granted by permission, by provision or existence of pecuniary means, or by the removal of obstacles: the admission of aliens into a country.
- 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 room — a room set aside for reading, as in a library or club.
- readmittance — the act or process of admitting someone or something again
- rear admiral — U.S. Navy, Coast Guard. a commissioned officer next in rank below a vice-admiral.
- reemphasized — to give emphasis to; lay stress upon; stress: to emphasize a point; to emphasize the eyes with mascara.
- remainderman — a person who owns a remainder.
- reprimanding — a severe reproof or rebuke, especially a formal one by a person in authority.
- reward claim — a claim granted to a miner who discovered gold in a new area
- romanticized — interpreted according to romantic precepts
- rose diamond — a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top
- salamandrian — a salamander of the order Batrachia
- salamandrine — any tailed amphibian of the order Caudata, having a soft, moist, scaleless skin, typically aquatic as a larva and semiterrestrial as an adult: several species are endangered.
- salamandroid — an amphibian of the genus Salamandra
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- schneiderman — Rose, 1884–1972, U.S. labor leader, born in Poland.
- scrimshander — a person who makes scrimshaw objects.
- semi-dormant — lying asleep or as if asleep; inactive, as in sleep; torpid: The lecturer's sudden shout woke the dormant audience.
- semidarkness — partial darkness.
- semidiameter — half of a diameter; radius.
- sierra madre — a mountain range extending from S Wyoming into N Colorado.
- silver medal — a medal, traditionally of silver or silver in color, awarded to a person or team finishing second in a competition, meet, or tournament.
- spermaticide — spermicide.
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.