| AFTERBRAIN | • afterbrain n. (Anatomy) A posterior subdivision of the hindbrain; the myelencephalon. • AFTERBRAIN n. a nontechnical name for the myelencephalon. |
| APPLEDRAIN | • APPLEDRAIN n. (US dialect) a wasp. |
| CRACKBRAIN | • crackbrain n. (Slang) An eccentric or crazy person. • CRACKBRAIN n. a crazy person. |
| DISENTRAIN | • disentrain v. To disembark from a train. • disentrain v. To precipitate out of a flowing current. • disentrain v. To disrupt an organism’s circadian rhythm so that it is not aligned with its environment. |
| DRIVETRAIN | • drivetrain n. (Mechanical engineering) The mechanical parts of the powertrain, the gears and shafts, that connect… • drive␣train n. Alternative form of drivetrain. • DRIVETRAIN n. the parts that connect the transmission with the driving axles of an automobile, also DRIVELINE. |
| HOVERTRAIN | • hovertrain n. A train that uses hovercraft technology to take advantage of lower friction to deliver high speeds; an aerotrain. • HOVERTRAIN n. a train that moves supported by a cushion of air, like a hovercraft. |
| INTERBRAIN | • interbrain n. (Anatomy) The diencephalon. • INTERBRAIN n. the diencephalon. |
| MULTIGRAIN | • multigrain adj. (Of a food) Containing multiple types of grain, usually in processed form. • MULTIGRAIN adj. comprising many types of grain. |
| OVERSTRAIN | • overstrain v. (Transitive, intransitive) To subject to an excessive demand on strength, resources, abilities, or the imagination. • overstrain n. Excessive strain. • OVERSTRAIN v. to strain to excess. |
| POWERTRAIN | • powertrain n. The group of components in a vehicle that generate power and deliver it to the road surface, water, or air. • power␣train n. Alternative form of powertrain. • POWERTRAIN n. the drive-transmitting sequence in a motor vehicle. |
| SOUTERRAIN | • souterrain n. (Archaeology) An underground chamber or passage sometimes used as a store, especially one associated… • SOUTERRAIN n. (French) an underground chamber, room or dwelling, also SUBTERRAIN, SUBTERRANE, SUBTERRENE. |
| SUBTERRAIN | • subterrain n. (Geology) The bedrock or rock layer that lies beneath the soil and superficial features of an area. • subterrain n. A cave or underground room. • subterrain n. An underground region. |
| SUPERBRAIN | • superbrain n. An exceptionally intelligent person; a genius. • superbrain n. An exceptionally powerful brain or artificial intelligence. • SUPERBRAIN n. an extraordinary intelligence. |
| UNDERDRAIN | • underdrain n. An underground drain or trench with openings through which the water may percolate from the soil or ground above. • underdrain v. (Transitive) To drain by forming an underdrain or underdrains in. • UNDERDRAIN v. to drain by deep underground ditches. |
| WATERBRAIN | • WATERBRAIN n. a disease of sheep, aka gid. |
| WHOLEGRAIN | • wholegrain n. A cereal grain that contains cereal germ, endosperm, and bran, in contrast to refined grains, which… • whole-grain adj. Alternative spelling of wholegrain. • whole␣grain adj. Alternative spelling of wholegrain. |