12-letter words containing p, r
- alpha rhythm — the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizer — to put or arrange in alphabetical order.
- alphamerical — relating to alphanumeric characters
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- alphaviruses — Plural form of alphavirus.
- amethopterin — (now rare) Methotrexate.
- amor patriae — love of one's country; patriotism
- amour-propre — self-respect
- ampelography — the science concerned with the identification and classification of grapevines
- ampere's law — the law that a magnetic field induced by an electric current is, at any point, directly proportional to the product of the current intensity and the length of the current conductor, inversely proportional to the square of the distance between the point and the conductor, and perpendicular to the plane joining the point and the conductor.
- amperometric — relating to or involving the measurement of an electric current
- amphibrachic — Consisting of amphibrachs, metrical feet consisting of either a long syllable between two that are short, or an accented syllable between two that are not accented.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitheater — An amphitheater is a large open area surrounded by rows of seats sloping upward. Amphitheaters were built mainly in Greek and Roman times for the performance of plays.
- amphitheatre — An amphitheatre is a large open area surrounded by rows of seats sloping upwards. Amphitheatres were built mainly in Greek and Roman times for the performance of plays.
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- anamorphoses — Plural form of anamorphosis.
- anamorphosis — an image or drawing distorted in such a way that it becomes recognizable only when viewed in a specified manner or through a special device
- anaphrodisia — diminished sexual desire.
- anchor plant — a South American shrub, Colletia cruciata, of the buckthorn family, having flattened green branches and yellowish-white flowers.
- anchorperson — the primary reporter on a news television broadcast
- anchovy pear — a Jamaican tree, Grias cauliflora, bearing edible fruits that taste like the mango: family Lecythidaceae
- anemotropism — orientation in response to a current of air.
- anepigraphic — (of a coin, artifact, etc.) without a legend or inscription.
- angelo patri — Angelo [an-juh-loh] /ˈæn dʒəˌloʊ/ (Show IPA), 1877–1965, U.S. educator and writer, born in Italy.
- angiocarpous — being or having fruit contained in a vessel such as a shell
- angiographic — relating to or using angiography
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- anisotropies — Plural form of anisotropy.
- anisotropism — the state of being anisotropic
- answer print — a motion-picture film print composed of picture and sound, used for evaluation.
- anteprandial — before dinner
- anthocarpous — resembling or pertaining to an anthocarp
- anthrophonic — Relating to anthrophony.
- anthropodicy — An attempt, or argument attempting, to justify the existence of humanity as good (contrast theodicy).
- anthropogeny — the genesis or development of the human race, especially as a subject of scientific study.
- anthropoglot — An animal with tongue similar to humans allowing human-like speech.
- anthropogony — the origin of the human species
- anthropoidal — Anthropoid.
- anthropology — Anthropology is the scientific study of people, society, and culture.
- anthroponomy — the science dealing with the laws regulating the development of the human organism in relation to other organisms and to environment.
- anthroponymy — the study of personal names.
- anthropotomy — the structure of the human body
- anti-strophe — the part of an ancient Greek choral ode answering a previous strophe, sung by the chorus when returning from left to right.
- anticipatory — An anticipatory feeling or action is one that you have or do because you are expecting something to happen soon.
- antientropic — showing a tendency towards order
- antigropelos — waterproof leggings used to protect against mud