12-letter words containing a, l, b, r, o
- half brother — brother (def 2).
- half-brother — brother (def 2).
- hall bedroom — a small bedroom off a corridor, esp. a small bedroom formed by partitioning off the end of an upstairs corridor
- halobacteria — Plural form of halobacterium.
- harbour seal — a common earless seal, Phoca vitulina, that is greyish-black with paler markings: found off the coasts of North America, N Europe, and NE Asia
- harmonizable — That can be harmonized.
- helicobacter — Any member of the Helicobacter bacteria.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- honorability — (American spelling) Alternative form of honourability.
- horn balance — an extension of an aircraft control surface that projects in front of the hinge providing aerodynamic assistance in moving the control
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolyzable — Able to be hydrolyzed.
- hyperbolical — having the nature of hyperbole; exaggerated.
- impardonable — (obsolete) unpardonable.
- imperforable — not able to be perforated
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.
- imprisonable — capable of being imprisoned or incarcerated
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.
- incomparably — beyond comparison; matchless or unequaled: incomparable beauty.
- incorporable — able to be incorporated.
- informidable — (obsolete) Not formidable; not to be feared or dreaded.
- infraorbital — (anatomy) Below the orbit (of the eye).
- inobservable — Unobservable.
- insalubrious — unfavorable to health; unwholesome.
- interlobular — (anatomy) Between lobules.
- interorbital — Between orbitals.
- interpolable — able to be interpolated, or suited to interpolation
- interrogable — capable of being interrogated
- irreformable — insusceptible to reforming influences; incorrigible.
- irreformably — in an irreformable manner
- irreprovable — Not reprovable; irreproachable.
- irreprovably — in an irreprovable manner
- irresolvable — not resolvable; incapable of being resolved, analyzable, or solvable.
- irresolvably — In an irresolvable manner.
- isobilateral — (esp of a leaf) capable of being divided into symmetrical halves along two different planes
- 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.
- labia majora — female genitals: outer folds of skin
- labia minora — female genitals: inner folds of skin
- labor market — the available supply of labor considered with reference to the demand for it.
- labor-saving — A labor-saving device or idea makes it possible for you to do something with less effort than usual.
- laboratorial — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- laboratorian — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- laboratories — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- labour costs — the charges incurred when employing labour; the wages, etc, paid to workers, esp those employed to do physical work
- labour force — The labour force consists of all the people who are able to work in a country or area, or all the people who work for a particular company.
- labour pains — the pains felt during the contractions of childbirth
- labour party — a political party in Great Britain, formed in 1900 from various socialist and labor groups and taking its present name in 1906.
- labouriously — Alternative form of laboriously.