| ASBESTOUS | • asbestous adj. Relating to, or resembling, asbestos. • ASBESTOUS adj. of or like asbestos, also ASBESTIC, ASBESTINE. |
| BUSTINESS | • bustiness n. The condition or state of being busty. • BUSTINESS n. the state of being busty. |
| POSTBUSES | • postbuses n. Plural of postbus. • POSTBUS n. a small bus for mail and passengers. |
| SUBCASTES | • subcastes n. Plural of subcaste. • SUBCASTE n. a subdivision of a caste. |
| SUBCRUSTS | • SUBCRUST n. a subdivision of a crust. |
| SUBITISES | • subitises v. Third-person singular simple present indicative form of subitise. • SUBITISE v. to perceive, also SUBITIZE. |
| SUBSHAFTS | • subshafts n. Plural of subshaft. • SUBSHAFT n. a shaft that is beneath another shaft. |
| SUBSISTED | • subsisted v. Simple past tense and past participle of subsist. • SUBSIST v. to continue to exist. |
| SUBSISTER | • subsister n. One who subsists. • SUBSISTER n. one who subsists. |
| SUBSTAGES | • substages n. Plural of substage. • SUBSTAGE n. a part of a microscope for supporting accessories. |
| SUBSTATES | • substates n. Plural of substate. • SUBSTATE n. a subdivision of a state. |
| SUBSTORMS | • substorms n. Plural of substorm. • SUBSTORM n. activity that disrupts the magnetic field of a planet. |
| SUBSTYLES | • substyles n. Plural of substyle. • SUBSTYLE n. the straight line on which the style of a dial is erected. |
| SUBSULTUS | • subsultus n. (Medicine) A starting, twitching, or convulsive motion. • SUBSULTUS n. (Latin) a convulsive or twitching movement. |
| SUBSYSTEM | • subsystem n. Alternative spelling of sub-system. • sub-system n. A group of related components that are part of a larger system. • SUBSYSTEM n. part of a system. |
| SUBTENSES | • subtenses n. Plural of subtense. • SUBTENSE n. a line subtending, or stretching across; a chord; as, the subtense of an arc. |
| SUNBURSTS | • sunbursts n. Plural of sunburst. • SUNBURST n. a burst of sunlight. |