9-letter words containing p, i
- airstrips — Plural form of airstrip.
- alepidote — (of a fish) not having scales.
- ali pasha — known as the Lion of Janina. 1741–1822, Turkish pasha and ruler of Albania (1787–1820), who was deposed and assassinated after intriguing against Turkey
- aliphatic — (of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes
- aliquippa — a borough in W Pennsylvania.
- allotypic — relating to an allotype
- allspices — Plural form of allspice.
- alopecoid — resembling a fox
- alpinists — Plural form of alpinist.
- altigraph — an instrument that measures altitude and records the measurements graphically
- 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
- amidships — Amidships means halfway along the length of a ship.
- amorphism — the state or quality of being amorphous.
- ampakines — Plural form of ampakine.
- amphibian — Amphibians are animals such as frogs and toads that can live both on land and in water.
- 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.
- amplidyne — an electrodynamic amplifier which uses a small electrical signal to control the position of a large motor
- amplified — Simple past tense and past participle of amplify.
- amplifier — An amplifier is an electronic device in a radio or stereo system which causes sounds or signals to get louder.
- amplifies — Third-person singular simple present indicative form of amplify.
- amplitude — In physics, the amplitude of a sound wave or electrical signal is its strength.
- amylopsin — an enzyme of the pancreatic juice that converts starch into sugar; pancreatic amylase
- analepsis — A form of flashback in which earlier parts of a narrative are related to others that have already been narrated.
- analeptic — (of a drug, etc) stimulating the central nervous system
- anapestic — a foot of three syllables, two short followed by one long in quantitative meter, and two unstressed followed by one stressed in accentual meter, as in for the nonce.
- anaphasic — relating to the third stage in cell division
- anaphoria — (symptom) A tendency for both eyes to look upward.
- anaphoric — of or relating to anaphora
- anaplasia — reversion of plant or animal cells to a simpler less differentiated form
- anaplasic — Of or pertaining to anaplasia.
- anaptotic — (of languages) tending to become uninflected, in accordance with a theory that languages evolve from uninflected to inflected and back.
- anaptyxis — the insertion of a short vowel between consonants in order to make a word more easily pronounceable
- ancipital — flattened and having two edges
- aneuploid — (of polyploid cells or organisms) having a chromosome number that is not an exact multiple of the haploid number, caused by one chromosome set being incomplete
- angiocarp — a plant bearing an angiocarpous fruit.
- anguipede — a mythological creature of Persian origin with a rooster's head and snakes for legs
- annapolis — the capital of Maryland, near the mouth of the Severn River on Chesapeake Bay: site of the US Naval Academy. Pop: 36 178 (2003 est)
- ant-pipit — gnateater.