13-letter words containing i, m, o, d
- powdered milk — dry milk.
- pre-committed — to give in trust or charge; consign.
- pre-mentioned — to refer briefly to; name, specify, or speak of: Don't forget to mention her contribution to the project.
- preadmonition — a forewarning, premonition; the act of admonishing in advance
- predominantly — having ascendancy, power, authority, or influence over others; preeminent.
- predominately — to be the stronger or leading element or force.
- predominating — to be the stronger or leading element or force.
- premedication — any drugs administered to sedate and otherwise prepare a patient for general anaesthesia
- premeditation — an act or instance of premeditating.
- premium bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
- primordiality — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- prism diopter — a unit of prismatic deviation, in which the number one represents a prism that deflects a beam of light a distance of one centimeter on a plane placed normal to the initial direction of the beam and one meter away from the prism.
- promised land — Heaven.
- pseudisodomic — (of ashlar) composed of stones having the same length, laid in courses of different heights.
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- public domain — the status of a literary work or an invention whose copyright or patent has expired or that never had such protection.
- pycnoconidium — a pycnidiospore
- quartodeciman — one of a group of early Christians who observed Easter on the day of the Jewish Passover regardless of whether or not it was Sunday
- radial motion — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radio compass — a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- radiochemical — pertaining to or involving radiochemistry.
- radiotelegram — a message transmitted by radiotelegraphy.
- railroad worm — the larva of a fruit fly, Rhagoletis pomonella, that burrows through apples, forming tunnels that sometimes appear on the skin as faint depressions or darkened trails: a serious pest of apples in colder regions of North America.
- randomization — to order or select in a random manner, as in a sample or experiment, especially in order to reduce bias and interference caused by irrelevant variables; make random.
- reindeer moss — any of several lichens of the genus Cladonia, especially the gray, many-branched C. rangiferina, of arctic and subarctic regions, eaten by reindeer and caribou.
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- richmond hill — a town in SE Ontario, in S Canada, N of Toronto.
- ring compound — a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Compare cyclic (def 3).
- rock-fill dam — a dam built mainly of rocks of various sizes fitted compactly together.
- roman holiday — a public spectacle or controversy marked by barbarism, vindictiveness, or scandal.
- romantic lead — a person who plays the main character in a romantic film or play
- rose mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.
- rough diamond — gemstone: uncut diamond
- rutherfordium — a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Rf; atomic number: 104.
- sacerdotalism — the system, spirit, or methods of the priesthood.
- sadomasochism — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- sadomasochist — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- santo domingo — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- sclerodermite — the hard covering of a section or segment of the body of an insect
- second coming — the coming of Christ on Judgment Day.
- second empire — the empire established in France (1852–70) by Louis Napoleon: the successor to the Second Republic.
- sedimentation — the deposition or accumulation of sediment.
- sedimentology — the study of sedimentary rocks.
- semi-nomadism — a member of a people or tribe that has no permanent abode but moves about from place to place, usually seasonally and often following a traditional route or circuit according to the state of the pasturage or food supply.
- semiautomated — partially automated.
- semiconductor — a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor device) used in communications, control, and detection technology and in computers.
- semidominance — incomplete dominance.
- sigmoid colon — Zoology. an S -shaped curve in a body part.
- sigmoidectomy — surgical removal of the sigmoid colon