15-letter words containing a, p
- allotransplants — Plural form of allotransplant.
- allotriomorphic — (of minerals) not having their own regular shape (as determined by their internal structure) but being shaped instead by adjacent minerals
- allyl mercaptan — a colorless liquid, C 3 H 6 S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals.
- alopecia areata — loss of hair in circumscribed patches.
- alpes-maritimes — a department of the SE corner of France in Provence-Alpes-Côte-d'Azur region. Capital: Nice. Pop: 1 045 973 (2003 est). Area: 4298 sq km (1676 sq miles)
- alpha and omega — the first and last, a phrase used in Revelation 1:8 to signify God's eternity
- alpha axp 21164 — (processor) A 1 GIPS version of the DEC Alpha processor. The first commercially available sequential 1 GIPS processor. Announced 1994-09-7.
- alpha geminorum — Castor
- alpha privative — (in Greek grammar) the letter alpha (or an- before vowels) used as a negative or privative prefix. It appears in English words derived from Greek, as in atheist, anaesthetic
- alpha radiation — alpha particles emitted from a radioactive isotope
- alpha-cellulose — a refined, insoluble form of cellulose derived from cotton or wood pulp, and used in manufacturing
- alphabetisation — The act or process of arranging in alphabetical order.
- alphabetization — Alternative form of alphabetisation.
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alpine combined — a competition for Alpine skiers in a combination of downhill and slalom races, the winner having the highest total score.
- altar of repose — a pedestal or niche upon which the sacraments are preserved from Maundy Thursday to Good Friday.
- alte pinakothek — a museum in Munich housing a collection of paintings dating from the Middle Ages to the late 18th century
- ambassadorships — Plural form of ambassadorship.
- american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
- american empire — a style of American furniture making and related crafts from c1815 to c1840, corresponding to the French Empire and late English Regency styles.
- american ipecac — a plant, Gillenia stipulata, of the rose family, of the eastern coast of the U.S., having white flowers on long stalks.
- ammunition clip — a device for storing rounds of ammunition and feeding them into a weapon
- ammunition dump — a place where ammunition is left
- amphiarthrodial — a joint permitting only slight motion, as that between the vertebrae.
- amphitheatrical — Having some of the characteristics of an amphitheatre.
- amyl propionate — a colorless liquid, C 8 H 16 O 2 , having an applelike odor, used chiefly as a scent in the manufacture of flavorings and perfume.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anamorphic lens — a component in the optical system of a film projector for converting standard 35mm film images into wide-screen format
- anchorage point — a point to which something such as the straps securing a childseat can be safely attached
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
- angel's-trumpet — any of several plants belonging to the genera Brugmansia and Datura, of the nightshade family, having large, trumpet-shaped flowers in a variety of colors.
- angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
- angiomyolipomas — Plural form of angiomyolipoma.
- angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
- anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- annapolis royal — a town in SE Canada in W Nova Scotia on an arm of the Bay of Fundy: the first settlement in Canada (1605). Pop: 550 (2001)
- annual parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- annuity payment — a payment that the investor receives at regular intervals from an annuity
- annular eclipse — an eclipse of the sun in which the moon does not cover the entire disc of the sun, so that a ring of sunlight surrounds the shadow of the moon
- antarctic plate — a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
- antepenultimate — third from last
- anteprohibition — before prohibition.
- anteroposterior — Relating to or directed toward both front and back.
- anthropobiology — the biological study of the human species
- anthropocentric — regarding man as the most important and central factor in the universe
- anthropogenesis — the study of the origins of man
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropologists — Plural form of anthropologist.
- anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.