11-letter words containing o, p, i, a
- allopoiesis — Creation of something other than the self. Or creation by something else than the self.
- allopurinol — a synthetic drug that reduces blood concentrations of uric acid and is administered orally in the treatment of gout. Formula: C5H4N4O
- allotropism — a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.
- alto-phobia — an abnormal fear of heights; acrophobia.
- amaxophobia — Fear of riding in a vehicle.
- amino group — the univalent group, −NH 2 .
- aminophenol — any of three isomeric forms that are soluble crystalline solids, used as a dye intermediate (meta- and ortho-), in dyeing hair, fur, and textiles (ortho- and para-), and as a photographic developer (para-). Formula: C6H4NH2OH
- aminopterin — a derivative of pterin used in chemotherapy
- aminopyrine — a colorless, crystalline powder, C13H17N3O, sometimes used to reduce fever or pain: may cause agranulocytosis
- ammophilous — (of organisms) living or growing in sand
- amniography — an x-ray examination of the amniotic sac after the injection of an opaque solution, performed to permit visualization of the umbilical cord and the placenta.
- amphibiotic — having an aquatic larval form and a terrestrial adult form, as amphibians
- amphibolite — a metamorphic rock consisting mainly of amphibole and plagioclase
- amphibology — ambiguity of expression, esp when due to a grammatical construction, as in save rags and waste paper
- amphibolous — ambiguous or equivocal, especially when due to the uncertain grammatical construction of a word or phrase.
- amphicelous — concave on both sides, as the bodies of the vertebrae of fishes.
- amphichroic — producing two colours, one on reacting with an acid, the other on reacting with a base
- amphictyony — (in ancient Greece) a religious association of states for the maintenance of temples and the cults connected with them
- amphidromia — a family festival in ancient Athens in honor of the birth of a child, during which the child received its name.
- amphigenous — (of certain parasitic fungi) growing on both sides of leaves.
- amphigories — Plural form of amphigory.
- amphikaryon — a diploid nucleus.
- amphilochus — a seer, the son of Amphiaraus and Eriphyle, and the brother of Alcmaeon.
- amphipodous — (of certain invertebrates, such as sand hoppers) having both swimming and jumping appendages
- amphithuron — amphithyra (def 1).
- amphithyron — amphithyra (def 1).
- amphophilic — (cytology) That can be stained with either an acidic or basic dye.
- amphoriskos — a miniature amphora.
- ampullosity — pretentious, turgid, or bombastic use of language
- amputations — Plural form of amputation.
- amylopectin — the major component of starch (about 80 per cent), consisting of branched chains of glucose units. It is insoluble and gives a red-brown colour with iodine
- amyotrophic — (medicine) Characterized by atrophy of the muscles.
- anadiploses — Plural form of anadiplosis.
- anadiplosis — repetition of the words or phrase at the end of one sentence, line, or clause at the beginning of the next
- anamorphism — intense metamorphism of a rock in which high-density complex minerals are formed from simpler minerals of lower density
- anaphoresis — the movement of suspended charged particles towards the anode in an electric field
- anaphorical — of or relating to an anaphora
- anaplerosis — the filling up of a scar, wound, etc which has decayed or been destroyed
- anaplerotic — of or relating to anaplerosis
- anapophysis — a small process of a vertebra, especially of a lumbar or thoracic vertebra.
- androphilic — Sexually attracted to men.
- androphobia — an abnormal fear of men; an aversion toward the male sex.
- androphobic — Exhibiting androphobia; fearful of men.
- androsphinx — a sphinx having the head of a man
- anemophobia — an abnormal fear of draughts or windy weather
- angiography — a method of obtaining an X-ray of blood vessels by injecting into them a substance, such as one containing iodine, that shows up as opaque on an X-ray picture
- angioplasty — a surgical technique for restoring normal blood flow through an artery narrowed or blocked by atherosclerosis, either by inserting a balloon into the narrowed section and inflating it or by using a laser beam
- angioscopes — Plural form of angioscope.
- anglophilia — extreme admiration for England or its people, culture, customs, influence, etc.
- anglophilic — Alternative capitalization of Anglophilic.