| BUCENTAURS | • bucentaurs n. Plural of bucentaur. • BUCENTAUR n. (Italian) a state barge of Venice from which the Doge dropped a ring into the sea. |
| BUTTERCUPS | • buttercups n. Plural of buttercup. • BUTTERCUP n. a crowfoot (genus Ranunculus), esp. of one of those species that have golden-yellow cup-shaped flowers. |
| CLOUDBURST | • cloudburst n. A sudden heavy rainstorm. • cloud-burst n. Alternative form of cloudburst. • cloud␣burst n. Alternative form of cloudburst. |
| DUMBSTRUCK | • dumbstruck adj. So shocked as to be unable to speak. • DUMBSTRUCK adj. made silent by astonishment, also DUMBSTRICKEN. |
| LUCUBRATES | • lucubrates v. Third-person singular simple present indicative form of lucubrate. • LUCUBRATE v. to study by lamplight; to discourse learnedly or pedantically. |
| RUSTBUCKET | • rustbucket n. (Slang) An old, neglected vehicle, usually a car, a freighter, or a truck. • rust-bucket n. Alternative form of rustbucket. • rust␣bucket n. Alternative form of rustbucket. |
| SUBARCUATE | • subarcuate adj. Having a figure resembling that of a bow; somewhat curved or arched. • SUBARCUATE adj. somewhat arched; with two or more arches under a main arch. |
| SUBCIRCUIT | • subcircuit n. A distinct part of an electrical or other circuit. • subcircuit n. (Mathematics) A subset of a circuit. • SUBCIRCUIT n. a part of a circuit. |
| SUBCLUSTER | • subcluster n. A subset of a cluster. • SUBCLUSTER v. to form part of a cluster of galaxies. |
| SUBCRUSTAL | • subcrustal adj. (Geology) Underneath the crust (of the Earth). • SUBCRUSTAL adj. relating to the subcrust, the part of the earth below the crust. |
| SUBCULTURE | • subculture n. A portion of a culture distinguished by its customs or other features, often in contrast to the larger… • subculture n. (Biology) A culture made by transferring microorganisms from a previous culture to a fresh growth medium. • subculture v. (Biology) To transfer (microorganisms) to a fresh growth medium in order to start a new culture. |
| SUBPRODUCT | • subproduct n. Byproduct. • SUBPRODUCT n. a subsidiary product. |
| SUBSTRUCTS | • substructs v. Third-person singular simple present indicative form of substruct. • SUBSTRUCT v. to build beneath; to lay as a foundation. |
| TUBERCULES | • tubercules n. Plural of tubercule. • TUBERCULE n. a small tuber, protuberance or swelling, also TUBERCLE. |