8-letter words containing a, n, o, i
- afikoman — Alternative spelling of afikomen.
- afikomen — a piece of matzo broken off from the center one of the three matzoth set before the leader of a Seder: it is hidden by the leader and later searched for by the children, with the finder, usually the youngest, receiving a reward.
- agnation — Consanguinity by a line of males only, as distinguished from cognation.
- agnition — (obsolete) acknowledgement.
- agnomina — Plural form of agnomen.
- agnostic — An agnostic believes that it is not possible to know whether God exists or not. Compare atheist.
- agonised — Simple past tense and past participle of agonise.
- agonists — Plural form of agonist.
- agonized — Agonized describes something that you say or do when you are in great physical or mental pain.
- agonizes — Third-person singular simple present indicative form of agonize.
- agostini — Giacomo (ˈdʒaːkomo). born 1942, Italian racing motorcyclist: world champion (500 cc. class) 1966–72, 1975; (350 cc. class) 1968–74
- agrimony — any of various N temperate rosaceous plants of the genus Agrimonia, which have compound leaves, long spikes of small yellow flowers, and bristly burlike fruits
- agrinion — a city in W Greece.
- aidoneus — a king of Thesprotia.
- ailerons — Plural form of aileron.
- air horn — a horn activated by compressed air.
- airborne — If an aircraft is airborne, it is in the air and flying.
- airbound — supported by air
- airwoman — An airwoman is a woman who flies aircraft, especially one who serves in her country's air force.
- alberoni — Giulio [joo-lyaw] /ˈdʒu lyɔ/ (Show IPA), 1664–1752, Italian cardinal and statesman: prime minister of Spain 1715–19.
- albinoid — Of or pertaining to an animal or person with albinism.
- albinoni — Tomaso (toˈmaːzo). 1671–1750, Italian composer and violinist. He wrote concertos and over 50 operas
- alcindor — (Ferdinand) Lew(is, Jr.) original name of Abdul-Jabbar.
- alcinous — (in Homer's Odyssey) a Phaeacian king at whose court the shipwrecked Odysseus told of his wanderings
- algonkin — Algonquin
- aliakmon — a river in N Greece. 200 miles (322 km) long: longest river in Greece.
- alienors — Plural form of alienor.
- alinotum — the plate to which the wings are attached on the notum of an insect.
- allision — the striking of one ship by another.
- allowing — to give permission to or for; permit: to allow a student to be absent; No swimming allowed.
- alloying — relating to, or used in, alloying
- allusion — An allusion is an indirect reference to someone or something.
- alluvion — the wash of the sea or of a river
- amatoxin — Any of a class of toxic peptides produced by several mushrooms of the genus Amanita and others.
- amazonia — the land around the Amazon river
- amazonis — an area on the equator of Mars.
- ambition — If you have an ambition to do or achieve something, you want very much to do it or achieve it.
- amidogen — a compound radical, NH2, derived from ammonia
- amission — (obsolete) deprivation; loss.
- ammoniac — a strong-smelling gum resin obtained from the stems of the N Asian umbelliferous plant Dorema ammoniacum and formerly used as an expectorant, stimulant, perfume, and in porcelain cement
- ammonify — to treat or impregnate with ammonia or a compound of ammonia
- ammonite — any extinct marine cephalopod mollusc of the order Ammonoidea, which were common in Mesozoic times and generally had a coiled partitioned shell. Their closest modern relative is the pearly nautilus
- ammonium — of, consisting of, or containing the monovalent group NH4– or the ion NH4+
- ammonoid — any of the extinct group of sea-dwelling cephalopod molluscs with coiled and chambered shells
- amnionic — Amniotic.
- amniotes — Plural form of amniote.
- amniotic — of or relating to the amnion
- amplicon — A piece of DNA or RNA formed as the products of natural or artificial amplification events, as in a polymerase chain reaction.
- amrinone — a potent substance, C 10 H 9 N 3 O, used in the treatment of congestive heart failure.
- anabolic — of or relating to anabolism