12-letter words containing r, a, b, i, u
- incumbrancer — (legal) One who holds incumbrance, or some legal claim, lien, or charge on an estate.
- incumbrances — Plural form of incumbrance.
- incurability — The quality or state of being incurable—not being able to be cured.
- india rubber — rubber1 (def 1).
- infundibular — a funnel-shaped organ or part.
- insalubrious — unfavorable to health; unwholesome.
- inscrutables — Plural form of inscrutable.
- insufferable — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufferably — not to be endured; intolerable; unbearable: their insufferable insolence.
- insurability — capable of being or proper to be insured, as against loss or harm.
- interlobular — (anatomy) Between lobules.
- intertubular — Between tubes or tubules.
- inurbaneness — The quality of being inurbane; inurbanity.
- invulnerable — incapable of being wounded, hurt, or damaged.
- invulnerably — In an invulnerable manner.
- irrebuttable — incapable of being rebutted or refuted.
- jubilee year — jubilee (def 5a).
- julian bream — Julian (Alexander) born 1933, English guitarist and lutenist.
- labour pains — the pains felt during the contractions of childbirth
- labouriously — Alternative form of laboriously.
- laboursaving — reducing (human) effort, hard work, or labour
- lark bunting — a finch, Calamospiza melanocorys, of the western U.S., the male of which is black with a large, white patch on each wing.
- liquidambars — Plural form of liquidambar.
- lubrications — Plural form of lubrication.
- lucubrations — Plural form of lucubration.
- magic number — the atomic number or neutron number of an exceptionally stable nuclide.
- malibu board — a lightweight, fiberglass-covered surfboard, usually about 10 feet (3 meters) long with a rounded nose and tail and a convex bottom for increased maneuverability.
- mare imbrium — (Sea of Showers) a dark plain in the second quadrant of the face of the moon: about 340,000 sq. mi. (880,000 sq. km).
- mare liberum — a body of navigable water to which all nations have unrestricted access.
- masturbating — Present participle of masturbate.
- masturbation — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- microtubular — Of or pertaining to microtubules.
- misattribute — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- misbehaviour — (British) alternative spelling of misbehavior.
- multilobular — having several or many lobules.
- multitubular — Having many tubes.
- murderabilia — objects that are regarded as valuable because of their connection with murders or other notorious crimes
- musterbation — Alt form musturbation.
- musturbation — (psychology) The compulsive insistence that things ought to be a particular way.
- neurofibroma — a benign neoplasm composed of the fibrous elements of a nerve.
- new urbanism — an international movement concerned with tackling the problems associated with urban sprawl and car dependency
- nimbostratus — a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8000 feet (2440 meters).
- northumbrian — of or relating to Northumbria, Northumberland, or the inhabitants or dialect of either.
- numerability — the fact of having the ability to be counted
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- orbicularity — The quality of being orbicular.
- orion nebula — a luminous nebula in the constellation Orion, in the center of Orion's sword.
- osco-umbrian — a group of languages, usually classified as Italic, that contains Oscan and Umbrian.