| 单词 | astronomer's staff |
| 释义 | > as lemmasastronomer's staff astronomer's staff n. now historical an instrument used for taking the altitude of the sun or a star; = Jacob's staff n. 2a; cf. radius n. 2. ΘΚΠ the world > the universe > cosmology > science of observation > astronomical instruments > rising and setting > [noun] astronomer's staff1551 almucantar staff1696 almucantar1880 1551 R. Record Pathway to Knowl. ii. Pref. sig. a.iij The arte of measuryng by the astronomers staffe, and by the astronomers ryng. 1889 London Q. Rev. Apr. 46 Sir William Pickering..stayed some time with his young countryman, by whom he was instructed in logic,..the use of the astronomer's staff and ring,..and the globes. 1993 P. Ackroyd House of Dr. Dee (1994) i. 35 A poor studious gentleman..who had for many years past been buried deep in his rare studies and who..would teach me the use of the astrolabe and the astronomer's staff. < as lemmas |
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