Main-royal-mast
noun, Nautical.
1.
the part of the mainmast situated immediately above, and generally formed as a single spar with, the main topgallantmast.
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[meynz] /meɪnz/ noun, (used with a singular verb) British Dialect. 1. the or home farm of a manor, as where the ownerlives; manse. [meyn] /meɪn/ adjective 1. chief in size, extent, or importance; principal; leading: the company’s main office; the main features of a plan. 2. sheer; utmost, as strength or force: to lift a […]
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[meyn-seyl; Nautical meyn-suh l] /ˈmeɪnˌseɪl; Nautical ˈmeɪn səl/ noun, Nautical. 1. the lowermost on a mainmast. /ˈmeɪnˌseɪl; nautical ˈmeɪnsəl/ noun 1. (nautical) the largest and lowermost sail on the mainmast MAchine INdependent SAIL.
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[meyn-seyl; Nautical meyn-suh l] /ˈmeɪnˌseɪl; Nautical ˈmeɪn səl/ noun, Nautical. 1. the lowermost on a mainmast. /ˈmeɪnˌseɪl; nautical ˈmeɪnsəl/ noun 1. (nautical) the largest and lowermost sail on the mainmast (Gr. artemon), answering to the modern “mizzen-sail,” as some suppose. Others understand the “jib,” near the prow, or the “fore-sail,” as likely to be most […]
- Main-sequence
noun, Astronomy. 1. a narrow band in the Hertzsprung-Russell diagram in which 90 percent of all observed stars are plotted. noun 1. (astronomy) main sequence (mān) The continuous, generally diagonal line or band in the Hertzsprung-Russell diagram ranging from the upper left to the lower right and representing stars of average size whose luminosities correspond […]
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noun 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 Examples Most stars in the Sun’s neighborhood are main sequence stars.