12-letter words containing r, i, b, g, a
- mesabi range — a range of low hills in NE Minnesota, noted for major iron-ore deposits mined by the open-pit method.
- mockingboard — (hardware) A sound and speech board for the Apple II computer, on sale in 1978. See also zxnrbl.
- motorboating — a boat propelled by an inboard or outboard motor.
- nonabsorbing — That does not absorb (sound, radiation, fluid etc.).
- nonbreaching — the act or a result of breaking; break or rupture.
- nonbreathing — not breathing
- obligatorily — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- obliterating — Present participle of obliterate.
- paint bridge — a structure spanning and providing passage over a river, chasm, road, or the like.
- pathbreaking — pertaining to blazing a trail or path.
- plea bargain — to engage in plea bargaining.
- plea-bargain — to engage in plea bargaining.
- powerboating — a boat propelled by mechanical power.
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- rag business — the garment, clothing, or fashion industry.
- ragged robin — a plant, Lychnis flos-cuculi, of the pink family, having pink or white flowers with dissected petals.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- rating badge — a badge that indicates the rank and specialty of a petty officer: worn on the upper left sleeve.
- reaching jib — genoa.
- reading book — a book for people who are learning to read, to help them become accustomed to looking at and understanding written words
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- red brigades — an extreme leftist terrorist organization in Italy.
- registerable — a book in which records of acts, events, names, etc., are kept.
- renegotiable — to negotiate again, as a loan, treaty, etc.
- riding habit — habit1 (def 11).
- running back — an offensive back, as a halfback or fullback, whose principal role is advancing the ball by running with it on plays from scrimmage.
- sacring bell — a small bell rung at the elevation of the Host and chalice during Mass
- sailboarding — windsurfing.
- saprobiology — the branch of ecology that studies decaying organic matter or environments, especially saprophytes that derive nourishment in this way.
- scramblingly — in a scrambling manner
- scrapbooking — hobby: collaging
- semiglobular — possessing the form of half a globe; hemispheric.
- shopbreaking — the act of breaking into a shop
- sigma baryon — an unstable hyperon having positive, negative, or zero electric charge and strangeness −1. Symbol: Σ.
- signal board — a board for displaying electrically transmitted signals and indicating their source.
- snowboarding — a board for gliding on snow, resembling a wide ski, to which both feet are secured and that one rides in an upright position.
- spring break — a vacation from school or college during the spring term, lasting about a week.
- stabilograph — an instrument for measuring body sway.
- straight bat — a bat held vertically
- straightbred — (of animals) purebred; having parents of the same breed
- stringy-bark — any of several eucalyptus trees having a fibrous bark
- submicrogram — containing or relating to a mass of less than one microgram
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- survival bag — a large plastic bag carried by climbers for use in an emergency as protection against exposure
- trailblazing — to blaze a trail through (a forest, wilderness, or the like) for others to follow.
- tribological — relating to tribology
- ubangi-shari — former name of the Central African Republic.
- un-ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- unbridgeable — a structure spanning and providing passage over a river, chasm, road, or the like.
- underbearing — unassuming