12-letter words containing a, m, b, r, o
- bottom quark — a type of quark with a mass of c. 4.7 to 5.3 GeV/c2, a negative charge that is 1⁄3 the charge of an electron, zero charm, and zero strangeness
- boxgrove man — a type of primitive man, probably Homo heidelbergensis, and probably dating from the Middle Palaeolithic period some 500 000 years ago; remains were found at Boxgrove in West Sussex in 1993 and 1995
- brain tumour — a tumour that is situated in the brain
- brainstormer — a person who brainstorms
- broad jumper — a participant in the long jump.
- broad-minded — If you describe someone as broad-minded, you approve of them because they are willing to accept types of behaviour which other people consider immoral.
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- bromomethane — methyl bromide.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- bronze medal — A bronze medal is a medal made of bronze or bronze-coloured metal that is given as a prize to the person who comes third in a competition, especially a sports contest.
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
- burial mound — a barrow
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- camphor ball — mothball
- chamber tomb — a prehistoric tomb with a chamber inside it in which the body of an important person was laid to rest
- chimneyboard — a partition or a cover to shut off a fireplace
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chromophobia — Lb biology The quality of being resistant to staining.
- circumboreal — of or having to do with plants and animals inhabiting boreal regions of North America and Eurasia
- combat-ready — ready for combat
- comber board — (in weaving) a wooden frame pierced with a series of small holes through which the harness cords are threaded, used to regulate the cords and determine the texture and width of a repeat in a fabric.
- comfortables — Plural form of comfortable.
- commemorable — worthy of being commemorated
- commiserable — worthy of commiseration; pitiable
- common zebra — Equus burchelli, the most common type of zebra
- cork cambium — a layer of meristematic cells in the cortex of the stems and roots of woody plants, the outside of which gives rise to cork cells and the inside to secondary cortical cells (phelloderm)
- cyber monday — the Monday after Thanksgiving, one of the busiest online shopping days.
- cytomembrane — a membrane around a cell that encloses cytoplasm and acts as a semi-permeable barrier
- deambulatory — a place for walking often with a covering overhead
- deformed bar — a rod for reinforcing concrete, having surface irregularities, as transverse ridges, to improve the bond.
- demonstrable — A demonstrable fact or quality can be shown to be true or to exist.
- demonstrably — capable of being demonstrated or proved.
- dermabrasion — a procedure in cosmetic surgery in which rough facial skin is removed by scrubbing
- diamond bird — any small insectivorous Australian songbird of the genus Pardalotus, having a diamond-patterned plumage
- double cream — (in France) a fresh, soft cheese with at least 60 percent fat, made from cow's milk enriched with cream.
- double major — a major with concentration in two separate fields of study
- echo chamber — a room or studio with resonant walls for broadcasting or recording echoes or hollow sound effects.
- elasmobranch — A cartilaginous fish of a group that comprises the sharks, rays, and skates.
- emblazonries — Plural form of emblazonry.
- embrocations — Plural form of embrocation.
- endomembrane — (biology) All the membraneous components inside a eukaryotic cell, including the nuclear envelope, endoplastic reticulum, and Golgi apparatus.
- fall webworm — the larva of any of several moths, as Hyphantria cunea (fall webworm) or Loxostege similalis (garden webworm) which spins a web over the foliage on which it feeds.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fibromatosis — (pathology) The presence of multiple fibromas.
- fibromyalgia — a syndrome characterized by fatigue and chronic pain in the muscles and in tissues surrounding the joints.
- fibrosarcoma — a sarcoma derived from fibroblast cells, often able to generate collagen.
- flabelliform — Shaped like a fan; flabellate.
- flame carbon — a carbon electrode containing metallic salts that colour the arc in a flame-arc light
- foot-lambert — a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbreviation: fL.
- formalizable — Capable of being formalized.