12-letter words containing a, d, b
- infundibular — a funnel-shaped organ or part.
- inoxidizable — not susceptible to oxidation.
- irredeemable — not redeemable; incapable of being bought back or paid off.
- irredeemably — not redeemable; incapable of being bought back or paid off.
- irremediable — not admitting of remedy, cure, or repair: irremediable conduct.
- irremediably — not admitting of remedy, cure, or repair: irremediable conduct.
- iskander bey — Scanderbeg.
- jodrell bank — site of a radio astronomy observatory (Nuffield Radio Astronomy Laboratories) in NE Cheshire, England, that operates a 250-foot (76-meter) radio telescope.
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- keyboardists — Plural form of keyboardist.
- kiteboarding — A sport in which participants ride a form of wakeboard or surfboard harnessed to a large kite which is controlled by the rider.
- knowledgable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- labrador tea — a North American bog shrub, Ledum groenlandicum, of the heath family, having evergreen leaves and rounded clusters of white flowers.
- lady's-thumb — a smartweed, Polygonum persicaria, of the buckwheat family, having pink or purplish flowers and lance-shaped leaves with a spot resembling a thumbprint.
- lambda point — the temperature of approximately 2.186 K, at which the transition from helium I to superfluid helium II occurs.
- land-grabber — a person who seizes land illegally or underhandedly.
- landgrabbers — Plural form of landgrabber.
- landing beam — a radio beam transmitted from a landing field to enable aircraft to make an instrument landing
- landlubberly — Like a landlubber.
- laudableness — The quality of being laudable; praiseworthiness; commendableness.
- lavender bag — a small fabric bag filled with dried lavender flowers and placed amongst clothes or linen to scent them
- lead balloon — a total failure
- leader block — Nautical. lead block.
- leader board — a board on which the scores of the leading competitors are displayed, as in a golf tournament.
- leader cable — a submarine cable laid along a channel and emitting signals that a vessel can follow when visibility is poor.
- leaderboards — Plural form of leaderboard.
- leatherbound — Bound in leather.
- leave behind — fail to bring
- ledger board — a horizontal board, as in a fence.
- left-brained — having the left brain dominant, therefore being more adept at logic, calculation, language, and other thought processes or skills usually associated with the left brain.
- library card — a card issued by a library to individuals or organizations entitling them or their representatives to borrow materials.
- liquidambars — Plural form of liquidambar.
- load-bearing — bearing the weight that is carried by a structure
- lord's table — the, communion table.
- louver board — one of a series of overlapping, sloping boards used as louvers in an opening, so arranged as to admit air but to exclude rain or cut off visibility from the outside.
- make the bed — rearrange the bedsheets
- male bonding — the process by which two or more men or boys become emotionally attached to each another
- 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.
- mandibulated — Provided with mandibles adapted for biting; mandibulate.
- mantelboards — Plural form of mantelboard.
- marriage bed — the bed in which a married couple sleep together
- massaranduba — any of various evergreen trees of the genus Manilkara of the family Sapotaceae that are native to the tropics
- mastoid bone — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
- matabeleland — a region in Zimbabwe, formerly a province of Rhodesia, home to the Ndebele (Matabele).
- may-december — of or designating a marriage or romantic relationship between a young person and a person who is considerably older
- messageboard — Alternative spelling of message board.
- microbicidal — a substance or preparation for killing microbes.
- mockingboard — (hardware) A sound and speech board for the Apple II computer, on sale in 1978. See also zxnrbl.
- monkey bread — the gourdlike fruit of the baobab, eaten by monkeys.
- mortar board — A mortar board is a stiff black cap which has a flat square top with a bunch of threads attached to it. In Britain, mortar boards are sometimes worn on formal occasions by university students and teachers. In the United States, mortar boards are worn by students at graduation ceremonies at high schools, colleges, and universities.