15-letter words containing n, u, m, b
- pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
- pulmobranchiate — possessing a pulmobranch
- ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
- rational number — a number that can be expressed exactly by a ratio of two integers.
- redisbursements — the act or an instance of disbursing.
- reynolds number — a dimensionless number, vρl/η, where v is the fluid velocity, ρ the density, η the viscosity and l a dimension of the system. The value of the number indicates the type of fluid flow
- rockwell number — a numerical expression of the hardness of a metal as determined by a test (Rockwell test) made by indenting a test piece with a Brale, or with a steel ball of specific diameter, under two successive loads and measuring the resulting permanent indentation.
- self-combustion — the act or process of burning.
- serous membrane — any of various thin membranes, as the peritoneum, that line certain cavities of the body and exude a serous fluid.
- sodium benzoate — a white crystalline soluble compound used as an antibacterial and antifungal agent in preserving food (E211), as an antiseptic, and in making dyes and pharmaceuticals. Formula: (C6H5COO)Na
- sound symbolism — a nonarbitrary connection between phonetic features of linguistic items and their meanings, as in the frequent occurrence of close vowels in words denoting smallness, as petite and teeny-weeny.
- stumbling block — an obstacle or hindrance to progress, belief, or understanding.
- sub-machine gun — a lightweight automatic or semiautomatic gun, fired from the shoulder or hip.
- subalimentation — hypoalimentation.
- subcommissioner — a member of a subcommission
- sublapsarianism — infralapsarianism.
- subminimum wage — See example at subminimum (def 1).
- suboptimization — a situation which is less than optimal
- suicide bombing — a terrorist bomb attack in which the perpetrator knows that he or she will be killed in the explosion
- system building — a method of building in which prefabricated components are used to speed the construction of buildings
- thermionic tube — a vacuum tube in which the cathode is heated electrically to cause the emission of electrons by thermal agitation.
- tumbling barrel — a rotating drum for subjecting materials or small manufactured objects, loosely placed inside, to a tumbling action, as to mix materials or to polish objects by friction with one another or with an abrasive.
- un-come-at-able — not accessible
- unbosom oneself — to tell or reveal one's feelings, secrets, etc.
- uncircumscribed — to draw a line around; encircle: to circumscribe a city on a map.
- unclimbableness — the quality or condition of being unclimbable
- uncompanionable — not companionable or friendly; antisocial
- uncompromisable — that cannot or should not be compromised
- unmanageability — that can be managed; governable; tractable; contrivable.
- unrecommendable — not able to be recommended, supported, or endorsed
- untransmissible — intransmissible
- uranium-bearing — containing or producing uranium
- urban migration — the process of people moving from rural areas to cities