16-letter words containing r, i, b, o
- marine biologist — scientist who studies sea life
- mass observation — the study of the social habits of people through observation, interviews, etc
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- modacrylic fiber — any of various synthetic copolymer textile fibers, as Dynel, containing less than 85 percent but more than 35 percent of acrylonitrile.
- monohybrid cross — the offspring of individuals that differ with respect to a particular gene pair.
- morris plan bank — a private banking organization, formerly common in the U.S., designed primarily to grant small loans to industrial workers.
- mountain climber — someone who climbs or walks up mountains
- national library — a library established and funded by a national government with the designation national, to serve the needs of this government, often to function as a library of record for the nation's publishing output, and in some cases to act as a central agency for library and bibliographic development in the nation.
- neuroborreliosis — A disorder of the central nervous system caused by a spirochete of the genus Borrelia.
- nibble mode dram — (storage) A standard DRAM where four successive bits can be clocked out of the single data line by successive pulses on the CAS\ line while RAS\ is active. A column address is only required for the first bit. This mode is now unfashionable but can be found on some older 64 kilobit and 256 kilobit chips.
- nitrogen balance — the difference between the amount of nitrogen taken in and the amount excreted or lost: used to evaluate nutritional balance.
- nitrous bacteria — bacteria that convert ammonia to nitrites in the soil
- non-attributable — 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.
- non-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- non-compressible — to press together; force into less space.
- non-contribution — the act of contributing.
- non-contributive — to give (money, time, knowledge, assistance, etc.) to a common supply, fund, etc., as for charitable purposes.
- non-extraditable — capable of being extradited; subject to extradition: an extraditable person.
- non-reconcilable — capable of being reconciled.
- non-reproducible — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- nonbiodegradable — Not biodegradable.
- nontransmissible — Not transmissible.
- nontransmittable — Not transmittable.
- norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
- objective danger — a danger, such as a stone fall or avalanche, to which climbing skill is irrelevant
- objective spirit — the human spirit, insofar as it has become capable of a rational identification of its individual self with the community of other spirits but is not yet capable of the identification with the absolute idea that characterizes the absolute spirit.
- oblique triangle — any triangle that does not have a right angle (contrasted with right triangle).
- observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
- observation post — a forward position, often on high ground, from which enemy activity can be observed and, particularly, from which artillery or mortar fire can be directed.
- observation ward — a ward in a hospital where patients are monitored
- observationalist — One who relies on empirical observations.
- observationality — The property of being observational.
- observer mission — a mission to an area of conflict in order to observe proceedings
- obstructionistic — a person who deliberately delays or prevents progress.
- obtuse bisectrix — See under bisectrix (def 1).
- october surprise — a major event, occurring shortly before a presidential election, which influences the result
- on a trial basis — for the purpose of assessment
- on the breadline — impoverished; living at subsistence level
- one-armed bandit — slot machine (def 1).
- operating budget — money allocated to a project
- orbital velocity — the minimum velocity at which a body must move to maintain a given orbit.
- ordinary jubilee — the celebration of any of certain anniversaries, as the twenty-fifth (silver jubilee) fiftieth (golden jubilee) or sixtieth or seventy-fifth (diamond jubilee)
- organized labour — labour carried out by workers in trade unions, or the workers themselves
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- overexcitability — to excite too much.
- oversubscription — to subscribe for more of than is available, expected, or required: The charity drive was oversubscribed by several thousand dollars.
- overurbanization — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
- paratuberculosis — Johne's disease.
- personal liberty — the liberty of an individual to do his or her will freely except for those restraints imposed by law to safeguard the physical, moral, political, and economic welfare of others.