| benthos |
the bottom layer of a body of water. |
| bentonite |
either of two clays that are formed by the decomposition of volcanic ash, and that are very absorptive and capable of expanding to several times their normal volume. |
| bentwood |
wood that has been steamed and bent, used in furniture. [2 definitions] |
| benumb |
to render numb or without physical sensation, esp. by cold. [2 definitions] |
| benzene |
a colorless, volatile, flammable liquid, obtained from petroleum and coal tar and used in or to make a wide variety of chemical products, such as insecticides, motor fuels, and solvents. |
| benzene ring |
the graphic representation of the benzene molecule or its derivatives as a hexagon with a carbon atom at each of its six points, and with attached atoms of hydrogen or other elements. |
| benzine |
a colorless, liquid mixture of flammable hydrocarbons, used as a solvent in cleaning and dyeing and as a motor fuel. |
| benzo- |
benzene or benzoic acid. |
| benzoate |
in chemistry, a salt or ester of benzoic acid. |
| benzocaine |
a white, odorless, tasteless powder used in ointments as a local anesthetic and a shield against sunburn. |
| benzodiazepine |
any of a class of drugs containing a benzene ring that acts as a sedative and muscle relaxant. |
| benzoic |
of or derived from benzoin or benzoic acid. |
| benzoic acid |
a white crystalline powder used as a preservative and antiseptic in perfumes and flavorings, in synthesizing dyes, and to season tobacco. |
| benzoin |
an aromatic resin containing benzoic acid and used in perfumes and cosmetics, cough medicines, and antiseptics. [3 definitions] |
| benzol |
benzene. [2 definitions] |
| be oneself |
to be in one's usual state of health or mind. [2 definitions] |
| be on to |
(informal) to have inside information about. [2 definitions] |
| be out of |
to no longer have (something that is normally available). |
| be over |
to be finished; to have reached a conclusion (sometimes used to indicate great finality or that all efforts to change the conclusion are useless). |
| be over someone |
to no longer feel any romantic feelings for (someone). |
| Beowulf |
the title character and hero of an anonymous, alliterative Old English epic poem. |