9-letter words containing r, a, b
- albert ii — full name Albert Felix Humbert Theodore Christian Eugene Marie. born 1934, king of Belgium (1993–2013); abdicated in favour of his son Philippe
- albertine — a female given name: derived from Albert.
- albertite — a black solid variety of bitumen that has a conchoidal fracture and occurs in veins in oil-bearing strata
- albertype — collotype.
- albricias — an expression of joy
- alburnous — relating to alburnum
- albuterol — a bronchodilator used by sufferers of asthma, emphysema, and other lung conditions, to treat symptoms such as wheezing or shortness of breath
- aldebaran — a binary star, one component of which is a red giant, the brightest star in the constellation Taurus. It appears in the sky close to the star cluster Hyades. Visual magnitude: 0.85; spectral type: K5III; distance: 65 light years
- aldeburgh — a small resort in SE England, in Suffolk: site of an annual music festival established in 1948 by Benjamin Britten. Pop: 2654 (2001)
- alembroth — a double salt composed of the chlorides of ammonium and mercury, formerly believed to be a universal solvent
- algarroba — the edible pod of these trees
- algarrobo — a carob tree native to the Mediterranean region
- algebraic — Algebraic equations, expressions, and principles are based on or use algebra.
- allobaric — of or relating to change in atmospheric pressure: allobaric wind.
- altar boy — In the Roman Catholic church, an altar boy is a boy who helps the priest during Mass.
- alterable — capable of being altered.
- alterably — In an alterable manner.
- ambarella — Otaheite apple.
- amberfish — amberjack.
- ambergris — Ambergris is a waxy substance produced by sperm whales. It is used to make some perfumes.
- amberjack — any of several large carangid fishes of the genus Seriola, esp S. dumerili, with golden markings when young, occurring in tropical and subtropical Atlantic waters
- amberlite — various insoluble cross-linked polymers used in water-treatment processes and in pharmacy
- ambipolar — (of plasmas and semiconductors) involving both positive and negative charge carriers
- ambrosiac — Having the qualities of ambrosia; delicious.
- ambrosial — of or fit for the gods; divine
- ambrosian — exceptionally pleasing to taste or smell; especially delicious or fragrant.
- ambrotype — an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper
- ambulacra — Plural form of ambulacrum.
- ambulator — a person who walks
- amebiform — That resembles an amoeba / ameba.
- aminocarb — a crystalline compound, C 11 H 16 N 2 O 2 , used as a nonsystemic insecticide on various food crops and forest growth.
- anabranch — a stream that leaves a river and enters it again further downstream
- anaerobes — Plural form of anaerobe.
- anaerobic — Anaerobic creatures or processes do not need oxygen in order to function or survive.
- angle bar — an iron or a steel structural bar that has an L-shaped cross section
- angle-bar — an iron or steel bar, brace, or cleat in the form of an angle.
- ann arbor — a city in SE Michigan: seat of the University of Michigan. Pop: 114 498 (2003 est)
- ant tribe — (in China) a generation of young people who have migrated from rural areas to cities in large numbers
- antibuser — someone who opposes busing
- antilabor — opposed to labor unions or to the interests of workers
- antiurban — opposed to the urban environment or urban life
- approbate — to accept as valid
- aquaboard — a board that can be used to ride on water
- aquarobic — pertaining to exercises performed standing up in a swimming pool
- arabesque — An arabesque is a position in ballet dancing. The dancer stands on one leg with their other leg lifted and stretched out backwards, and their arms stretched out in front of them.
- arabicize — to make or become Arab
- arability — the suitability of land for growing crops
- arabinose — a pentose sugar in plant gums, esp of cedars and pines. It is used as a culture medium in bacteriology. Formula: C5H10O5
- aracatuba — a city in SE Brazil.
- arbalests — Plural form of arbalest.