10-letter words containing e, p, a
- afterpiece — a brief usually comic dramatic piece presented after a play
- agapetus i — Saint, died a.d. 536, Italian ecclesiastic: pope 535–536.
- agoraphobe — a person suffering from agoraphobia
- ahithophel — a member of David's council, who became one of Absalom's advisers in his rebellion and hanged himself when his advice was overruled (II Samuel 15:12–17:23)
- air pocket — a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height
- air police — members of an air force assigned to carry on police duties
- airdropped — Simple past tense and past participle of airdrop.
- aleph-null — the smallest infinite cardinal number; the cardinal number of the set of positive integers
- alice paul — Saint, died a.d. c67, a missionary and apostle to the gentiles: author of several of the Epistles. Compare Saul (def 2).
- alipterion — (in an ancient Roman bath) a room for anointment.
- allen park — a city in SE Michigan.
- allophones — Plural form of allophone.
- allotropes — Plural form of allotrope.
- alpenhorns — Plural form of alpenhorn.
- alpenstock — an early form of ice axe, consisting of a stout stick with an iron tip and sometimes having a pick and adze at the head, formerly used by mountain climbers
- alpestrine — (of plants) growing at high altitudes; subalpine
- alpha geek — the person in a group or office who has the most knowledge about computer technology
- alpha male — the dominant male animal or person in a group
- alpha wave — any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person
- alpha-test — an in-house test of a new or modified piece of computer software
- alphabetic — in the order of the letters of the alphabet: alphabetical arrangement.
- alphametic — a mathematical puzzle using letters to express numbers that must be deciphered
- alpine fir — a fir, Abies lasiocarpa, of the Rocky Mountains, yielding a soft, brittle wood used for making boxes, crates, etc.
- altarpiece — An altarpiece is a work of art behind the altar in a church.
- amboceptor — an immune body formed in the blood during infection or immunization that serves to link the complement to the antigen
- amlodipine — A long-acting calcium channel blocker used as an anti-hypertensive and in the treatment of angina.
- ampelopsis — any woody vine of the vitaceous genus Ampelopsis, of tropical and subtropical Asia and America
- ampersands — Plural form of ampersand.
- amphiaster — the structure that occurs in a cell undergoing mitosis, consisting of a spindle with an aster at each end
- amphimacer — a metrical foot consisting, in Greek and Latin verse, of one short syllable between two long ones, or, in English verse, of one unaccented syllable between two accented ones (Ex.: | hésĭtáte |)
- amphimixes — Plural form of amphimixis.
- amphiphile — any of many organic compounds such as detergents combining both hydrophilic and hydrophobic properties
- amphitrite — a sea goddess, wife of Poseidon and mother of Triton
- amphogenic — producing both male and female offspring.
- amphoteric — able to function as either a base or an acid
- ampliative — serving to extend or add to what is already known
- amplidynes — Plural form of amplidyne.
- amplifiers — Plural form of amplifier.
- amplitudes — Plural form of amplitude.
- anabaptise — to rebaptise
- anabaptize — to baptize again
- anal phase — Psychoanalysis. the second stage of psychosexual development during which the child, usually at two years of age, becomes preoccupied with defecation.
- analeptics — Plural form of analeptic.
- analphabet — an illiterate person unfamiliar with the letters of the alphabet
- anastrophe — reversal of the usual order of the parts of a sentence; inversion (Ex.: “Came the dawn”)
- andropause — the period, usually occurring between the ages of 45 and 55, during which a man's testosterone levels may fall, leading to a reduction in vigour and sexual drive
- androphore — an extension of the receptacle carrying the androecium and the gynoecium, typical of the caper family (Capparidaceae)
- androspore — the zoospore of certain algae that develops into a small male plant producing antherozoids.
- anemograph — a self-recording anemometer
- anemophily — fertilized by wind-borne pollen or spores.