| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024gno•mon (nō′mon),USA pronunciation n. - Timethe raised part of a sundial that casts the shadow;
a style. See illus. under sundial. - Astronomyan early astronomical instrument consisting of a vertical shaft, column, or the like, for determining the altitude of the sun or the latitude of a position by measuring the length of its shadow cast at noon.
- Mathematics[Geom.](formerly) the part of a parallelogram that remains after a similar parallelogram has been taken away from one of its corners.
- Greek gnó̄mōn literally, interpreter, discerner
- Latin gnōmōn pin of a sundial
- 1540–50
Collins Concise English Dictionary © HarperCollins Publishers:: gnomon /ˈnəʊmɒn/ n - the stationary arm that projects the shadow on a sundial
- a geometric figure remaining after a parallelogram has been removed from one corner of a larger parallelogram
Etymology: 16th Century: from Latin, from Greek: interpreter, from gignōskein to knowgnoˈmonic adj |