13-letter words containing n, u, r, b
- harlequin bug — a black stink bug, Murgantia histrionica, having red and yellow markings, that feeds on cabbages and other cruciferous plants.
- harold burton — Harold Hitz [hits] /hɪts/ (Show IPA), 1888–1964, associate justice of the U.S. Supreme Court 1945–58.
- honey buzzard — a long-tailed Old World hawk, Pernis apivorus, that feeds on the larvae of bees as well as on small rodents, reptiles, and insects.
- honour bright — an exclamation pledging honour
- honourability — A state or condition or being honourable.
- hot cross bun — a bun with a cross of frosting on it, eaten chiefly during Lent.
- housebreaking — to train (a pet) to excrete outdoors or in a specific place.
- hunt saboteur — A hunt saboteur is someone who tries to stop a hunt from taking place or being successful because they believe it is cruel to the animal being hunted.
- hunter's robe — pothos.
- hyperurbanism — a pronunciation or grammatical form or usage produced by a speaker of one dialect according to an analogical rule formed by comparison of the speaker's own usage with that of another, more prestigious, dialect and often applied in an inappropriate context, especially in an effort to avoid sounding countrified, rural, or provincial, as in the pronunciation of the word two (to̅o̅) as (tyo̅o̅).
- immunosorbent — an insoluble surface to which a specific antibody is attached for the purpose of removing the corresponding antigen from a solution or suspension.
- inconquerable — That cannot be conquered; unconquerable.
- inconstruable — unable to be construed
- incorruptable — Misspelling of incorruptible.
- incorruptible — not corruptible: incorruptible integrity.
- incorruptibly — In an incorruptible manner.
- incurableness — The state or condition of being incurable.
- indisturbance — Freedom from disturbance; calmness; repose.
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- inner harbour — a part of a harbour which is further inland
- inobtrusively — in an unobtrusive manner
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.
- interruptible — to cause or make a break in the continuity or uniformity of (a course, process, condition, etc.).
- jitterbugging — Present participle of jitterbug.
- juniper berry — the berrylike cone of a juniper.
- kennebunkport — a town in SW Maine: summer resort.
- knuckleballer — a pitcher who specializes in throwing knuckle balls.
- laboriousness — requiring much work, exertion, or perseverance: a laborious undertaking.
- labour unrest — unrest or dissatisfaction displayed by workers, often in the form of strikes, and sometimes violent disputes, etc, which disrupts normal business
- labour-saving — A labour-saving device or idea makes it possible for you to do something with less effort than usual.
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- lavender-blue — coloured between blue and pale or light bluish-purple to a very pale violet colour
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- lingual brace — a specialized dental brace that fits behind the teeth so that it is not visible when the wearer speaks or smiles.
- luang prabang — Louangphrabang.
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- lubber's line — a vertical line on the forward inner side of the bowl of a fixed compass, used as a reference mark indicating the heading of a vessel.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- lunar rainbow — moonbow.
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- macroglobulin — A plasma globulin of high molecular weight.
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- melbourne cup — an annual horse race run in Melbourne, since 1861
- membranaceous — Resembling or having properties of a membrane.
- mensurability — The quality of being mensurable.
- microbusiness — A business that operates on a very small scale.
- minisubmarine — A small submarine.
- mobile number — a set of figures identifying the mobile telephone of a particular subscriber, and used in making connections to that telephone