any star lying on a diagonal band that extends from hot stars of high luminosity to cool stars of low luminosity; any stars in the Hertzsprung-Russell diagram from the upper left to the lower right of the diagram; also written main sequence star
Most stars in the Sun’s neighborhood are main sequence stars.
noun, Machinery. 1. the principal shaft of a motor, transmission, etc. (distinguished from ).
[meyn-sheet] /ˈmeɪnˌʃit/ noun, Nautical. 1. a of a mainsail. /ˈmeɪnˌʃiːt/ noun 1. (nautical) the line used to control the angle of the mainsail to the wind
[meyn-spring] /ˈmeɪnˌsprɪŋ/ noun 1. the principal in a mechanism, as in a watch. 2. the chief motive power; the impelling cause. /ˈmeɪnˌsprɪŋ/ noun 1. the principal power spring of a mechanism, esp in a watch or clock 2. the chief cause or motive of something n. 1590s, of watches, clocks, etc., from main (adj.) + […]
- Main squeeze
noun phrase 1. One’s boss, the highest authority, an important person. For example, Who’s the main squeeze in this company? This slangy term was first recorded in 1896, and the precise allusion is unclear. 2. One’s sweetheart, as in Nancy is his main squeeze. This slangy usage, first recorded in 1970, alludes to the “squeeze” […]