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3 definitions found
 for Solar month
From The Collaborative International Dictionary of English v.0.48 :

  Solar \So"lar\, a. [L. solaris, fr. sol the sun; akin to As.
     s[=o]l, Icel. s[=o]l, Goth. sauil, Lith. saule, W. haul,.
     sul, Skr. svar, perhaps to E. sun:F. solaire. Cf. Parasol.
     Sun.]
     1. Of or pertaining to the sun; proceeding from the sun; as,
        the solar system; solar light; solar rays; solar
        influence. See Solar system, below.
        [1913 Webster]
  
     2. (Astrol.) Born under the predominant influence of the sun.
        [Obs.]
        [1913 Webster]
  
              And proud beside, as solar people are. --Dryden.
        [1913 Webster]
  
     3. Measured by the progress or revolution of the sun in the
        ecliptic; as, the solar year.
        [1913 Webster]
  
     4. Produced by the action of the sun, or peculiarly affected
        by its influence.
        [1913 Webster]
  
              They denominate some herbs solar, and some lunar.
                                                    --Bacon.
        [1913 Webster]
  
     Solar cycle. See under Cycle.
  
     Solar day. See Day, 2.
  
     Solar engine, an engine in which the energy of solar heat
        is used to produce motion, as in evaporating water for a
        steam engine, or expanding air for an air engine.
  
     Solar flowers (Bot.), flowers which open and shut daily at
        certain hours.
  
     Solar lamp, an argand lamp.
  
     Solar microscope, a microscope consisting essentially,
        first, of a mirror for reflecting a beam of sunlight
        through the tube, which sometimes is fixed in a window
        shutter; secondly, of a condenser, or large lens, for
        converging the beam upon the object; and, thirdly, of a
        small lens, or magnifier, for throwing an enlarged image
        of the object at its focus upon a screen in a dark room or
        in a darkened box.
        [1913 Webster]
        [1913 Webster]
  
     Solar month. See under Month.
  
     Solar oil, a paraffin oil used an illuminant and lubricant.
        
  
     Solar phosphori (Physics), certain substances, as the
        diamond, siulphide of barium (Bolognese or Bologna
        phosphorus), calcium sulphide, etc., which become
        phosphorescent, and shine in the dark, after exposure to
        sunlight or other intense light.
  
     Solar plexus (Anat.), a nervous plexus situated in the
        dorsal and anterior part of the abdomen, consisting of
        several sympathetic ganglia with connecting and radiating
        nerve fibers; -- so called in allusion to the radiating
        nerve fibers.
  
     Solar spots. See Sun spots, under Sun.
  
     Solar system (Astron.), the sun, with the group of
        celestial bodies which, held by its attraction, revolve
        round it. The system comprises the major planets, with
        their satellites; the minor planets, or asteroids, and the
        comets; also, the meteorids, the matter that furnishes the
        zodiacal light, and the rings of Saturn. The satellites
        that revolve about the major planets are twenty-two in
        number, of which the Earth has one (see Moon.), Mars
        two, Jupiter five, Saturn nine, Uranus four, and Neptune
        one. The asteroids, between Mars and Jupiter, thus far
        discovered (1900), number about five hundred, the first
        four of which were found near the beginning of the
        century, and are called Ceres, Pallas, Juno, and Vesta.
        [1913 Webster]
  
     Note: The principal elements of the major planets, and of the
           comets seen at more than one perihelion passage, are
           exhibited in the following tables: 
           [1913 Webster] I. -- Major Planets. Symbol.Name.Mean
           distance -- that of the Earth being unity.Period in
           days.Eccentricity.Inclination of orbit.Diameter in
           miles ?????????????????????
           [1913 Webster] II. -- Periodic Comets. Name.Greatest
           distance from sun.Least distance from sun.Inclination
           of orbit.Perihelion passage. [deg] [min] 54
           Encke's3.314.100.34212 541885.2 ?????????????????????
           [1913 Webster]
  
     Solar telegraph, telegraph for signaling by flashes of
        reflected sunlight.
  
     Solar time. See Apparent time, under Time.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Month \Month\ (m[u^]nth), n. [OE. month, moneth, AS.
     m[=o]n[eth], m[=o]na[eth]; akin to m[=o]na moon, and to D.
     maand month, G. monat, OHG. m[=a]n[=o]d, Icel. m[=a]nu[eth]r,
     m[=a]na[eth]r, Goth. m[=e]n[=o][thorn]s. [root]272. See
     Moon.]
     One of the twelve portions into which the year is divided;
     the twelfth part of a year, corresponding nearly to the
     length of a synodic revolution of the moon, -- whence the
     name. In popular use, a period of four weeks is often called
     a month.
     [1913 Webster]
  
     Note: In the common law, a month is a lunar month, or
           twenty-eight days, unless otherwise expressed.
           --Blackstone. In the United States the rule of the
           common law is generally changed, and a month is
           declared to mean a calendar month. --Cooley's
           Blackstone.
           [1913 Webster]
  
     A month mind.
     (a) A strong or abnormal desire. [Obs.] --Shak.
     (b) A celebration made in remembrance of a deceased person a
         month after death. --Strype.
  
     Calendar months, the months as adjusted in the common or
        Gregorian calendar; April, June, September, and November,
        containing 30 days, and the rest 31, except February,
        which, in common years, has 28, and in leap years 29.
  
     Lunar month, the period of one revolution of the moon,
        particularly a synodical revolution; but several kinds are
        distinguished, as the synodical month, or period from
        one new moon to the next, in mean length 29 d. 12 h. 44 m.
        2.87 s.; the nodical month, or time of revolution from
        one node to the same again, in length 27 d. 5 h. 5 m. 36
        s.; the sidereal, or time of revolution from a star to
        the same again, equal to 27 d. 7 h. 43 m. 11.5 s.; the
        anomalistic, or time of revolution from perigee to
        perigee again, in length 27 d. 13 h. 18 m. 37.4 s.; and
        the tropical, or time of passing from any point of the
        ecliptic to the same again, equal to 27 d. 7 h. 43 m. 4.7
        s.
  
     Solar month, the time in which the sun passes through one
        sign of the zodiac, in mean length 30 d. 10 h. 29 m. 4.1
        s.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  solar month
      n 1: one-twelfth of a solar or tropical year

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