Definition of Primary planets. Meaning of Primary planets. Synonyms of Primary planets

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Definition of Primary planets

Primary planets
Primary Pri"ma*ry, a. [L. primarius, fr. primus first: cf. F. primaire. See Prime, a., and cf. Premier, Primero.] 1. First in order of time or development or in intention; primitive; fundamental; original. The church of Christ, in its primary institution. --Bp. Pearson. These I call original, or primary, qualities of body. --Locke. 2. First in order, as being preparatory to something higher; as, primary assemblies; primary schools. 3. First in dignity or importance; chief; principal; as, primary planets; a matter of primary importance. 4. (Geol.) Earliest formed; fundamental. 5. (Chem.) Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement. Primary alcohol (Organic Chem.), any alcohol which possess the group CH2.OH, and can be oxidized so as to form a corresponding aldehyde and acid having the same number of carbon atoms; -- distinguished from secondary & tertiary alcohols. Primary amine (Chem.), an amine containing the amido group, or a derivative of ammonia in which only one atom of hydrogen has been replaced by a basic radical; -- distinguished from secondary & tertiary amines. Primary amputation (Surg.), an amputation for injury performed as soon as the shock due to the injury has passed away, and before symptoms of inflammation supervene. Primary axis (Bot.), the main stalk which bears a whole cluster of flowers. Primary colors. See under Color. Primary meeting, a meeting of citizens at which the first steps are taken towards the nomination of candidates, etc. See Caucus. Primary pinna (Bot.), one of those portions of a compound leaf or frond which branch off directly from the main rhachis or stem, whether simple or compounded. Primary planets. (Astron.) See the Note under Planet. Primary qualities of bodies, such are essential to and inseparable from them. Primary quills (Zo["o]l.), the largest feathers of the wing of a bird; primaries. Primary rocks (Geol.), a term early used for rocks supposed to have been first formed, being crystalline and containing no organic remains, as granite, gneiss, etc.; -- called also primitive rocks. The terms Secondary, Tertiary, and Quaternary rocks have also been used in like manner, but of these the last two only are now in use. Primary salt (Chem.), a salt derived from a polybasic acid in which only one acid hydrogen atom has been replaced by a base or basic radical. Primary syphilis (Med.), the initial stage of syphilis, including the period from the development of the original lesion or chancre to the first manifestation of symptoms indicative of general constitutional infection. Primary union (Surg.), union without suppuration; union by the first intention.

Meaning of Primary planets from wikipedia

- once considered planets by the scientific community, are no longer viewed as planets under the current definition of planet. Planets in astrology have...
- "Lights"), making a total of seven planets. Astrologers retain this definition today. To ancient astrologers, the planets represented the will of the gods...
- terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are...
- missions include two; Ulysses and New Horizons, whose primary objectives are not related to the outer planets, but which flew past Jupiter to gain gravity ****ists...
- directly, the largest are the eight planets, with the remainder being smaller objects, such as the five dwarf planets and small Solar System bodies. Of...
- Earth-size planets". Los Angeles Times. Retrieved 5 November 2013. Gilster, Paul; LePage, Andrew (30 January 2015). "A Review of the Best Habitable Planet Candidates"...
- described by many scientists as "double dwarf planets" ("double planets" prior to the 2006 definition of "planet"). The International Astronomical Union (IAU)...
- planets are also known to have natural satellites: Pluto, Haumea, Makemake, and Eris. As of September 2018[update], there are 334 other minor planets...
- on Saturn's moon Titan. Planet names used to date include Arrakis, Caladan and Kaitain. III Delta Kaising is one of two planets on which shigawire is grown...
- Jupiter that for decades were considered to be planets. Between then and around 1851, when the number of planets had reached 23, astronomers started using...
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