9-letter words containing o, p, i
- $tonepits — (language) A concept for an esoteric programming language based on Manqala, a family of games in which two players take turns to transfer stones between pits. Programming in "$tonePits" involves specifying a start configuration of a Mancala game (a vector of non-negative integers) and a rule for how one configuration changes to the next. $tonePits could be implemented using a beach for example.
- -phoresis — indicating a transmission
- -spotting — -spotting combines with nouns to form nouns which describe the activity of looking out for things such as birds or trains as a hobby.
- abruption — a breaking off of a part or parts from a mass
- acapnotic — Of or pertaining to something that does not smoke, is not a smoker.
- acception — (obsolete) acceptation; the received meaning.
- ace point — the first point in backgammon.
- acid drop — a boiled sweet with a sharp taste
- acidophil — (of cells or cell contents) easily stained by acid dyes
- acropolis — the citadel of an ancient Greek city
- acrospire — the first shoot developing from the plumule of a germinating grain seed
- actinopod — any protozoan of the phylum Actinopoda, such as a radiolarian or a heliozoan, having stiff radiating cytoplasmic projections
- acupoints — Plural form of acupoint.
- adaptions — the act of adapting.
- ademption — the failure of a specific legacy, as by a testator disposing of the subject matter in his lifetime
- adiaphora — matters of indifference
- adipocere — a waxlike fatty substance formed during the decomposition of corpses
- adipocyte — a fat cell that accumulates and stores fats
- adipokine — (biochemistry) Any of several cytokines secreted by adipose tissue.
- adiposity — the state of being fat; obesity
- adoptions — Plural form of adoption.
- adoptious — adopted
- aeolipile — a device illustrating the reactive forces of a gas jet: usually a spherical vessel mounted so as to rotate and equipped with angled exit pipes from which steam within it escapes
- aepyornis — any of the large extinct flightless birds of the genus Aepyornis, remains of which have been found in Madagascar
- aerophile — (biology) Any air-breathing organism.
- aerospike — a type of rocket engine
- air corps — (before July 26, 1947) a branch of the U.S. Army concerned with military aviation.
- air power — A nation's air power is the strength of its air force.
- air scoop — a device fitted to the surface of an aircraft to provide air pressure or ventilation from the airflow
- alepidote — (of a fish) not having scales.
- allotypic — relating to an allotype
- alopecoid — resembling a fox
- altiplano — a plateau of the Andes, covering two thirds of Bolivia and extending into S Peru: contains Lake Titicaca. Height: 3000 m (10 000 ft) to 3900 m (13 000 ft)
- ambipolar — (of plasmas and semiconductors) involving both positive and negative charge carriers
- amblyopia — impaired vision with no discernible damage to the eye or optic nerve
- amblyopic — Of, relating to, or suffering from amblyopia.
- ametropia — loss of ability to focus images on the retina, caused by an imperfection in the refractive function of the eye
- ametropic — relating to ametropia
- amorphism — the state or quality of being amorphous.
- amphibole — any of a large group of minerals consisting of the silicates of calcium, iron, magnesium, sodium, and aluminium, usually in the form of long slender dark-coloured crystals. Members of the group, including hornblende, actinolite, and tremolite, are common constituents of igneous rocks
- amphiboly — ambiguity of speech, especially from uncertainty of the grammatical construction rather than of the meaning of the words, as in The Duke yet lives that Henry shall depose.
- amphigory — a piece of nonsensical writing in verse or, less commonly, prose
- amphinome — a maiden who, along with her sister Evadne, was deceived by Medea into murdering their father, Pelias.
- amphioxus — cephalochordate
- amphipods — Plural form of amphipod.
- amphitruo — a comedy (c200 b.c.) by Plautus.
- amplicons — Plural form of amplicon.
- amylopsin — an enzyme of the pancreatic juice that converts starch into sugar; pancreatic amylase
- anaphoria — (symptom) A tendency for both eyes to look upward.
- anaphoric — of or relating to anaphora
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