| AMINOBUTENE | • AMINOBUTENE n. a synthetic pain-relieving drug, less addictive than morphine. |
| BARQUENTINE | • barquentine n. (Nautical) A sailing vessel similar to a barque, but fore-and-aft (schooner) rigged on the mainmast. • BARQUENTINE n. a three-masted vessel, with the foremast square-rigged, and the mainmast and mizzenmast fore-and-aft-rigged, also BARKANTINE, BARKENTINE, BARQUANTINE. |
| BENUMBMENTS | • benumbments n. Plural of benumbment. • BENUMBMENT n. the state of being benumbed. |
| BLUEBONNETS | • bluebonnets n. Plural of bluebonnet. • blue␣bonnets n. Plural of blue bonnet. • BLUEBONNET n. a Scottish peasant; a round cap. |
| BLUNTNESSES | • bluntnesses n. Plural of bluntness. • BLUNTNESS n. the state of being blunt. |
| BOUTONNIERE | • boutonniere n. A small flower or bunch of flowers worn in a buttonhole or pinned to the lapel of a jacket. • boutonnière n. Alternative spelling of boutonniere. • BOUTONNIERE n. (French) a flower for the buttonhole, etc. |
| BREUNNERITE | • BREUNNERITE n. an iron-containing type of magnesite used in the manufacture of refractory bricks. |
| BUFOTENINES | • BUFOTENINE n. a poisonous paralytic hallucinogenic drug. |
| SUBSENTENCE | • subsentence n. A sentence making up part of a larger sentence. • SUBSENTENCE n. part of a sentence. |
| SUNBONNETED | • sunbonneted adj. Wearing a sunbonnet. • SUNBONNETED adj. wearing a sunbonnet. |
| TUNABLENESS | • tunableness n. (Obsolete) harmony; melodiousness. • TUNABLENESS n. the quality of being tunable. |
| UNBEGETTING | • unbegetting adj. That does not beget. • UNBEGET v. to undo the begetting of. |
| UNBENEFITED | • unbenefited adj. Having received no benefit. • UNBENEFITED adj. not benefited, also UNBENEFITTED. |
| UNBENIGHTED | • unbenighted adj. Not benighted. • UNBENIGHTED adj. not benighted. |
| UNBURTHENED | • unburthened v. Simple past tense and past participle of unburthen. • UNBURTHEN v. (archaic) to unburden; to unload. |
| UNDERBITTEN | • underbitten v. Past participle of underbite. • underbitten adj. Having had insufficient acid used in an etching process, so that the result is too shallow. • UNDERBITE v. to bite insufficiently with acid, as in etching. |