12-letter words containing a, c, m, e
- pharmacopeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- phlegmagogic — a medication that is intended to dislodge and evacuate mucus from the respiratory system
- phonemically — of or relating to phonemes: a phonemic system.
- photomachine — a machine that prints copies of digital photographs
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- picrocarmine — a red powder containing carmine and picric acid which is used in staining processes
- pimelic acid — a crystalline compound, C 7 H 1 2 O 4 , soluble in alcohol and ether: used in polymers and as a plasticizer.
- pinealectomy — a surgical operation to remove the pineal gland
- placentiform — shaped like a placenta, with a flat rounded form
- pleiochasium — a flowering system in which several buds come out at the same time
- plenum cable — (hardware) Cable that can be (legally) installed in the plenum (the space between a ceiling and the floor above it). Such cable is (usually) teflon-coated so that it will not give off toxic fumes when burned. In some parts of the world such cable is required by law.
- plumulaceous — having the texture of down.
- pneumaticity — the condition of being pneumatic
- pneumatocyst — the cavity of a pneumatophore.
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pole compass — (formerly) a ship's compass elevated on a wooden pole to isolate it as much as possible from local magnetism.
- policymakers — a person responsible for making policy, especially in government.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- power vacuum — a situation when a government has no identifiable central authority
- predominance — the state, condition, or quality of being predominant: the predominance of the rich over the poor.
- preeclampsia — Pathology. a form of toxemia of pregnancy, characterized by hypertension, fluid retention, and albuminuria, sometimes progressing to eclampsia.
- premedicated — to treat with medicine or medicaments.
- primal scene — a child's first real or imagined observation of parental sexual intercourse.
- primary care — medical care by a physician, or other health-care professional, who is the patient's first contact with the health-care system and who may recommend a specialist if necessary.
- primary cell — a cell designed to produce electric current through an electrochemical reaction that is not efficiently reversible, so that the cell when discharged cannot be efficiently recharged by an electric current.
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- primulaceous — belonging to the plant family Primulaceae.
- pro-american — in favour of or supporting America, its people, culture, etc
- problematics — problems or difficulties in a particular situation or subject
- prochein ami — next friend.
- promuscidate — shaped like a proboscis
- pulp chamber — the crown portion of the pulp cavity.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- quantum cell — (electronics, computing) (Or "quantum dot cell") A structure comprising four quantum dots arranged in a square, with two diagonally opposed dots containing electron charges. One diagonal containing charges is arbitrarily defined as representing a value of '1', the other as '0'. In a five-dot cell, the fifth, central dot contains no charge. See also: quantum cell wire, quantum-dot cellular automata.
- race meeting — A race meeting is an occasion when a series of horse races are held at the same place, often during a period of several days.
- race norming — the process of statistically adjusting the scores of minority job applicants on job-qualification tests by rating each test-taker's score against the results of others in his or her racial or ethnic group.
- 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.
- racemization — the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
- rachiotomies — Plural form of rachiotomy.
- racing homer — a kind of homing pigeon used for racing
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- raman effect — the change in wavelength of light scattered while passing through a transparent medium, the collection of new wavelengths (Raman spectrum) being characteristic of the scattering medium and differing from the fluorescent spectrum in being much less intense and in being unrelated to an absorption band of the medium.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- ramentaceous — resembling or covered with ramenta.
- re-enactment — the act of enacting.
- reaccumulate — to gather or collect, often in gradual degrees; heap up: to accumulate wealth.
- readmittance — the act or process of admitting someone or something again
- reattachment — connecting or fastening again
- receptaculum — a vessel, receptacle or container