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synodic month - 5 dictionary results

synodic month

 
Use synodic month in a Sentence
–noun
See under month (def. 5).
Origin:
1645–55

month

  [muhnth]
–noun
1. Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
2. the time from any day of one calendar month to the corresponding day of the next.
3. a period of four weeks or 30 days.
4. Also called solar month. one-twelfth of a solar or tropical year.
5. Also called lunar month. the period of a complete revolution of the moon around the earth, as the period between successive new moons (synodic month), equal to 29.531 days, or the period between successive conjunctions with a star (sidereal month), equal to 27.322 days, or the period between successive perigees (anomalistic month), equal to 27.555 days, or the period between successive similar nodes (nodical month or draconic month), equal to 27.212 days.
6. an unusually long period of time of indefinite length: I haven't seen him for months.
Origin:
bef. 900; ME; OE mōnath; c. OHG mānōd, ON mānathr. See moon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To synodic month
lunar month  
n.  The average time between successive new or full moons, equal to 29 days, 12 hours, 44 minutes. Also called synodic month.
synodic month  
n.  See lunar month.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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synodic month  
See lunar month.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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