astronomer (astronomer)

[ forte imate it," Shak., T. of and C., Croner v. 1. in Astronomer one of the royal observatories of Great Britain, especially of the Green wich observatory. IMG:content-1303.png:[blocks in formation] use; obtained or made by means of the astro- photometer. astrophyllite (as-tro-fil'it), n. [ ἄστρον , a star, + φύλλον, a leaf, + -ite2.] A mineral of a bronze or gold-yellow color and micaceous structure, sometimes found in tabular triclinic crystals. It is a silicate of iron and manganese, with pota ium, sodium, and also some titanium. It is found in Norway and in Colorado. astrophysical (as-tro-fiz'i-kal), a . [ ἄστρον , star, + φυσικός , physical: see physical .] Per- taining to astronomical physics. astrophysics (as'tro-fiziks), n. Astronomical physics. Not from the stars do I my judgment pluck, And yet methinks I have astronomy . Astropecten (as-tro-pek'ten), n. [NL., pecten , comb: see Pecten .] A genus of starfishes, typical of the family Astro- pectinida. Astropectinidæ (astro-pek-tin'i-dē), n. pl . [NL., Astropecten ( -tin -)+- idæ .] A family of starfishes, typified by the genus Astropecten. They have a dorsal skeleton formed of raised o icles and somewhat irregular, the teeth saillant from the ventral surface, no anus, no inter brachial system, and the ambu- lacra biserial and conic. The family includes the genera Astropecten , Luidia , and Ctenodiscus . astrophelt, n. See astrofel . A str ophiura (astro-fi-ū'rä), n. [NL., Gr. άστρον, a star, + NL. Ophiura , q. v.] A genus of sand-stars representing a generalized form, typical of the family A str ophiurid a . A str ophiuridæ (astro-fi-ū'ri-dē), n . pl . [NL., A str ophiura + -ida . ) A family of sand-stars, order Ophiuroidea , typified by A str ophiura . They have arms, with an ophiuroid disk, tagonal body, a very broad inter brachial cavity, ambula- cral pores separated by septa perpendicular to the rays, and the oral armature without teeth. have branching arms. It corresponds to the Euryaleæ. As trophy ton (as-trof'i-ton), n. [NL., Gr. άστρον , star, + φυτόν , plant.] The typical genus of the family As trophy tidæ , containing the gorgon's- head, basket-fish, or sea-bas- ket, As trophy ton scutatum . Astrorhiza (as-trō-rī'zä), n. [NL., άστρον , star, + ῥίζα, root.] A genus of fora- miniferous rhizopods, typi- cal of the family Astrorhizi- dæ and the subfamily Astro- rhizina. The species are of considerable size. Astrorhizidæ (as-trō-riz'i- dē), n . pl . [NL., Astrorhiza +-ida.] A family of rhizo- pods with the test invariably IMG:content-1304.png:[merged small][merged small][graphic][merged small][merged small] d , d , vertebral or axial o icles of ray; inter- ambulacral pieces; torus angular is; h, pos i- size and monothalamous, often branched or radiate, sometimes segmented by constriction of the walls, but seldom or never truly septate. cal. The polythalamous forms are never symmetri- Astrorhizinæ (astro-ri-zīnē), n. pl . [NL., Astrorhiza +-ina.] A subfamily of Astrorhi- zida , characterized by thick walls composed of sand or mud but slightly cemented. astroscope (as'trō-skōp), n. [ άστρον , a star, + σκοπεῖν , view: see astroscopy .] An astro- nomical instrument composed of two cones on their stars are delineated. It was formerly used as a substitute for the celestial globe. astroscopyt (as-tros'kō-pi), n. [ ἀστρο- σκοπία , observation of the stars, άστρον , α star, + -σκοπία, σκοπεῖν , view.] Observation of the stars. IMG:content-1305.png:[blocks in formation] as trot he ology (astro-the-ol'ō-ji), n. [ theol- Syn. Sagacious , Sage , Knowing , Astute , Subtle . Saga- ogy .] Natural theology founded on the obser- vation of the celestial bodies. Derham . a struct i vet (as-truktiv), a. [L. a struct us , pp. of astruere , build in addition, add ( ad , to, + struere , heap up, pile), + -ive . Cf. destruc- tive.) Building up; erecting; constructive: opposed to destructive . then astructive . The true method of Christian practice is first destructive, "Cease to do evil, learn to do well." Bp . Hall , Sermons, Rom. xii. 2. astrut (a-strut'), prep . phr . as adv . or a . [ME. astrut , a strout , astrote , o strut , on strut ; strut .] Strutting; pompous. [Rare.] Inflated and astrut with self-conceit. Cowper , Task, v. 268. astucious (as-tū'shus), a. [ astucieux , as- tute, astuce , astutene , astutia , astute- ne , astutus , astute: see astute .] Astute; IMG:content-1306.png:[blocks in formation] [ adv . Astutely. astucity (as-tū'si-ti), n. [ astucity , with swiftne , with audacity. Gr. άστρον , & star, + photography .] The appli- cation of photography to the delineation or record of solar spots, the moon's disk, the planets, and the constellations, and to other astronomical ends. astrophotometer (astro-fō-tom'e-ter), n . Gr. ἄστρον , a star, + φῶς (φωτ-), light, + μέτρον, a measure: see photometer .] A device fitted to a telescope for comparing the brightne of a star with a standard light. [Astur (as'ter), n. [LL. astur, ML. also astor, austur, etc., a goshawk: see austringer .] A genus of hawks, formerly called star-hawks or goose-hawks, now goshawks, of large size, with short rounded wings, long tail, moderately long legs, and the beak festooned but not toothed. The European goshawk is A. palumbarius ; the American IMG:content-1307.png:[blocks in formation] astyllen