10-letter words containing a, t, r, o
- indicatory — That indicates, signifies or implies.
- induration — the act of indurating.
- infarction — the formation of an infarct.
- informants — Plural form of informant.
- informatic — Of or pertaining to information science, the processing of information.
- infraction — breach; violation; infringement: an infraction of the rules.
- inhabitors — Plural form of inhabitor.
- inhalators — Plural form of inhalator.
- initiators — Plural form of initiator.
- initiatory — introductory; initial: an initiatory step toward a treaty.
- innovators — Plural form of innovator.
- innovatory — to introduce something new; make changes in anything established.
- inoculator — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.
- inordinate — not within proper or reasonable limits; immoderate; excessive: He drank an inordinate amount of wine.
- insinuator — to suggest or hint slyly: He insinuated that they were lying.
- inspirator — An inspirer, one that inspires.
- instigator — to cause by incitement; foment: to instigate a quarrel.
- insulators — Plural form of insulator.
- integrator — a person or thing that integrates.
- interlocal — pertaining to or characterized by place or position in space; spatial.
- intermodal — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- internodal — Of or pertaining to an internode.
- interocean — situated between, or connecting, two oceans
- interorgan — (medicine) Between organs.
- interpolar — connecting or being between poles: an interpolar flight.
- interposal — (dated) interposure.
- interzonal — occurring or conducted between two or more zones
- intolerant — not tolerating or respecting beliefs, opinions, usages, manners, etc., different from one's own, as in political or religious matters; bigoted.
- intragroup — Taking place within a group, especially within a social group.
- intramodal — Within a mode.
- intrazonal — Within a single zone.
- invigorant — a tonic.
- invigorate — to give vigor to; fill with life and energy; energize.
- invitatory — serving to invite; conveying an invitation.
- invocatory — the act of invoking or calling upon a deity, spirit, etc., for aid, protection, inspiration, or the like; supplication.
- irish boat — a small fishing boat used in the Boston area in the late 19th century, derived from an Irish model and having a cutter rig.
- ironmaster — the master of a foundry or ironworks; a manufacturer of iron.
- irradiator — to shed rays of light upon; illuminate.
- irrational — without the faculty of reason; deprived of reason.
- irrelation — lack or absence of relation
- irrigation — the artificial application of water to land to assist in the production of crops.
- irrigators — Plural form of irrigator.
- irritation — the act of irritating or the state of being irritated.
- irrorating — Present participle of irrorate.
- irrumation — Vigorous oral sex; the active penetration of a mouth with a penis.
- iso rating — a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating
- isolateral — Having similar upper and lower (or front and back) surfaces.
- isothermal — occurring at constant temperature.
- iterations — the act of repeating; a repetition.
- jack frost — frost or freezing cold personified.