12-letter words containing a, m, b, r
- subepidermal — just below the epidermis or skin
- submaxillary — of or relating to the lower jaw or lower jawbone.
- submicrogram — containing or relating to a mass of less than one microgram
- subminiature — subminiature camera.
- submolecular — of or relating to or caused by molecules: molecular structure.
- subtemperate — of, relating to, or occurring in the colder parts of the Temperate Zone.
- subumbrellar — of or pertaining to the subumbrella, located beneath the umbrella (of a jellyfish)
- sumba strait — an area of water separating Sumba, in the Lesser Sunda Islands, from Flores
- summarizable — to make a summary of; state or express in a concise form.
- sun umbrella — an umbrella by a chair or table, used for protecting you from the sun
- surmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- swamp rabbit — any of several southern cottontails, especially Sylvilagus aquaticus, of swamps and lowlands.
- swim bladder — air bladder (def 2).
- symbololatry — the worship of symbols
- take umbrage — If you say that a person takes umbrage, you mean that they are upset or offended by something that someone says or does to them, often without much reason.
- the cambrian — the Cambrian period or rock system
- thermolabile — subject to destruction or loss of characteristic properties by the action of moderate heat, as certain toxins and enzymes (opposed to thermostable).
- thermostable — capable of being subjected to a moderate degree of heat without loss of characteristic properties, as certain toxins and enzymes (opposed to thermolabile).
- timbale iron — a metal mold made in any of several shapes and usually provided with a long handle, for deep-frying timbales.
- timbromaniac — a person who is passionate about stamp-collecting
- trombidiasis — infestation with mites of the family Trombiculidae
- troublemaker — a person who causes difficulties, distress, worry, etc., for others, especially one who does so habitually as a matter of malice.
- tumbler gear — a transmission having gears actuated by a tumbler.
- uncomparable — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unmarketable — readily salable.
- unmeasurable — of undetermined or indefinitely great extent or amount; unlimited; measureless: the unmeasured heavens.
- unmeasurably — of undetermined or indefinitely great extent or amount; unlimited; measureless: the unmeasured heavens.
- unredeemable — capable of being redeemed.
- unreformable — not able to be reformed or reclaimed
- unremarkable — notably or conspicuously unusual; extraordinary: a remarkable change.
- unremarkably — notably or conspicuously unusual; extraordinary: a remarkable change.
- unremediable — capable of being remedied.
- unremittable — to transmit or send (money, a check, etc.) to a person or place, usually in payment.
- vacuum brake — a brake system, used on British and many overseas railways, in which the brake is held off by a vacuum on one side of the brake-operating cylinder. If the vacuum is destroyed by controlled leakage of air or a disruptive emergency, the brake is applied. It is now largely superseded by the Westinghouse brake system
- warm-blooded — Also, endothermic. designating or pertaining to animals, as mammals and birds, whose blood ranges in temperatures from about 98° to 112°F (37° to 44°C) and remains relatively constant, irrespective of the temperature of the surrounding medium; homoiothermal.
- water bomber — an aircraft with special tanks for holding water that can be dropped on forest fires
- weather bomb — a type of extratropical cyclone characterized by a low pressure system in which the central barometric pressure drops at least 24 millibars in 24 hours, which can produce hurricane-force winds with very heavy rainfall or snow.
- williamsburg — a city in SE Virginia: colonial capital of Virginia; now restored to its original pre-Revolutionary style.
- zebra mussel — a small striped freshwater mussel from NE Europe, Dreissena polymorpha: introduced to the Great Lakes in the 1980s and deleteriously affecting water pipes, other fauna, etc.