11-letter words containing o, r, n, i
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apoproteins — Plural form of apoprotein.
- apparations — Plural form of apparation.
- apparitions — Plural form of apparition.
- apportioned — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportioner — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apprecation — (obsolete) Earnest prayer; devout wish.
- approaching — coming closer in time
- approbating — Present participle of approbate.
- approbation — Approbation is approval of something or agreement to it.
- appropinque — to approach
- approvingly — to speak or think favorably of; pronounce or consider agreeable or good; judge favorably: to approve the policies of the administration.
- approximant — an articulation in which one articulator is close to another, but not sufficiently so to form a stop or a fricative.
- apron piece — (in a staircase) a header receiving the ends of rough strings, carriage pieces, and the joists of landings.
- arab legion — a police force (1920–56) under British supervision, responsible for keeping order among desert tribesmen in Trans-Jordan.
- arabinoside — a glycoside yielding arabinose when hydrolysed
- arabization — transfer to Arab control
- arachidonic — related to arachidonic acid or the derivatives of arachidonic acid
- arachnoidal — relating to the arachnoid
- arbitration — Arbitration is the judging of a dispute between people or groups by someone who is not involved.
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- arenicolous — growing or living in sand or sandy places
- areocentric — relating to a reference system which has Mars as its centre
- aroint thee — away! begone!
- arolla pine — a five-needled pine tree, Pinus cembra, found esp in mountain regions of Central Europe and yielding edible seeds
- aromatizing — Present participle of aromatize.
- arrestation — the slowing or stopping of the development or progress of something
- arsonphobia — Pyrophobia.
- artophorion — pyx (def 1a).
- arytenoidal — relating to the arytenoid cartilages in the larynx and also to other parts relating to them
- ascriptions — Plural form of ascription.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.
- asportation — the removal or taking away of something
- assertation — An assertion, statement of opinion.
- asteroidean — an echinoderm of the class Asteroidea, comprising the starfishes.
- astrogation — (in science fiction) navigation in outer space.
- astrologian — (obsolete) An astrologer.
- astronautic — Of or pertaining to astronautics.
- astronomize — to practise or study astronomy or engage in astronomical matters
- atherogenic — causing atheroma
- atomtronics — (physics) The design, manufacture and study of analogs of electronics using atoms (especially Bose-Einstein condensates) at low temperature.
- atriopeptin — any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water. Abbreviation: ANF.
- attorneyism — the slyness and cleverness associated with attorneys
- attractions — Plural form of attraction.