| 释义 |
gnomon/ˈnəʊmɒn/n. 1 the rod or pin etc. on a sundial that shows the time by the position of its shadow (日晷的)晷针，指时针 2 Geom. the part of a parallelogram left when a similar parallelogram has been taken from its corner 【几】磬折形(自平行四边形的一角截去一较小平行四边形后的图形) 3 Astron. a column etc. used in observing the sun's meridian altitude 【天】日晷(用以测太阳子午线纬度) □ gnomonic /-ˈmɒnik/ adj.[French or Latin gnomon from Greek gnōmōn ‘indicator’ etc., from gignōskō ‘know’] |