femtosecond n. 10 to the -15th power or 0.000000000000001 second, equalling a quadrillionth of a second or 0.3 light microns. Editorial Note: Commonly used in measurement of light in laser or light-related technologies. Etymological Note: Danish or...
bleeding deacon n. a person who believes himself indispensible to a group, esp. a person who becomes so over-involved in a group’s internal management, policies, or politics as to lose sight of its larger goals; (hence) a person with a negative...
