10-letter words containing r, o
- actinogram — the record produced by the action of an actinograph.
- activators — Plural form of activator.
- acyl group — the univalent group RCO–, where R is any organic group attached to one bond of the carbonyl group.
- acyrologia — (rhetoric) inexact, inappropriate or improper use of a word.
- ad gloriam — for glory.
- ad valorem — (of taxes) in proportion to the estimated value of the goods taxed
- ad-hockery — reliance on temporary solutions rather than on consistent, long-term plans.
- adderstone — a prehistoric ornamental bead
- addression — (obsolete) The act of addressing or directing one's course.
- adenoviral — relating to an adenovirus
- adenovirus — any of a group of viruses that can cause upper respiratory diseases in man
- adhocratic — Relating to adhocracy.
- adiaphoron — a thing of indifference
- adirondack — a member of an Algonquian people living mainly north of the St. Lawrence River.
- adjourning — to suspend the meeting of (a club, legislature, committee, etc.) to a future time, another place, or indefinitely: to adjourn the court.
- adjuration — a solemn charge or command
- adjuratory — Of or pertaining to an adjuration.
- admiration — Admiration is a feeling of great liking and respect for a person or thing.
- admonisher — One who admonishes.
- admonitory — admonishing; warning
- adorations — Plural form of adoration.
- adornments — Plural form of adornment.
- adrenalone — An adrenergic agonist used as a topical vasoconstrictor and hemostatic.
- adrianople — Edirne
- adroitness — expert or nimble in the use of the hands or body.
- adsorbable — Able to be adsorbed.
- adsorbates — Plural form of adsorbate.
- adsorption — an adsorbing or being adsorbed; adhesion of the molecules of a gas, liquid, or dissolved substance to a surface
- adsorptive — relating to or characterized by adsorption
- adulterous — An adulterous relationship is a sexual relationship between a married person and someone they are not married to. An adulterous person is someone who commits adultery.
- advisatory — advisory
- advisorate — an advisory body or group
- advisories — Plural form of advisory.
- advocaters — Plural form of advocater.
- advocators — to speak or write in favor of; support or urge by argument; recommend publicly: He advocated higher salaries for teachers.
- advocatory — of an advocate
- aeciospore — any of the spores produced in an aecium of the rust fungi, which spread to and infect the primary host
- aeolotropy — the state of substances that do not exhibit the same electrical, optical, or other physical qualities in all directions
- aeriferous — conveying air, as the bronchial tubes.
- aerobacter — any bacteria of a former genus (Aerobacter) normally found in the intestine: now in either of two genera (Enterobacter or Klebsiella)
- aerobatics — Aerobatics are skilful displays of flying, usually to entertain people watching from the ground.
- aerobeacon — A light used to warn aircraft away from tall structures.
- aerobicize — (of a person) to perform aerobics
- aerobiosis — life in the presence of oxygen
- aerobiotic — Of or pertaining to aerobiosis.
- aerobridge — A telescoping corridor that extends from an airport terminal to an aircraft and allows secure boarding and disembarkation of passengers.
- aerodromes — Plural form of aerodrome.
- aerogramme — a lightweight letter form with imprinted stamp and gummed flaps, used for airmail correspondence to other countries; air letter
- aerography — the description of the character of the upper atmosphere
- aeromancer — A practitioner of aeromancy.