Go to MSN Homeencarta®
HomeEncyclopediaDictionaryAtlasK-12 SuccessCollege & Grad SchoolDegrees & TrainingQuizzesMore
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
periodic function
periodic law
periodic motion
periodic sentence
periodic system
periodic table
periodical
periodical cicada
periodicity
periodization
periodontal
periodontics
perionychium
periosteum
periostitis
periostracum
periotic
Click to move down the list of words
Print Preview
See pronunciation key
Search for "periodic..." in all of MSN Encarta
E-mail this entry
Blog about this entry on MSN Spaces
Download the MSN Encarta Right-Click Dictionary

periodicity
pe·ri·o·dic·i·ty [ pree ə díssətee ]


noun 
Definition:
 
1. regular recurrence: recurrence at regular intervals
2. chemical similarity: similarity between the properties of chemical elements that are close to each other in the periodic table
Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement

Also on Encarta
• 10 tips for building your English vocabulary
• Alternatives to the M.B.A.
• GPS for students
• Saving for college
• Presidential Myths Quiz
• Coffee break: Recharge your brain
Englishtown: Learn English online
Our Partners
• ApplyWise Online College Admissions Counseling
• The Princeton Review
• Tutor.com: Live Help When You Get Stuck
Also on MSN
• Iditarod: Toughest Race on Earth on the Discovery Channel
• MSN TV Scavenger Hunt: Win the ultimate prize pack
• MSN Shopping: Best books for the season
• MSN Careers: Nail that job interview
• Today's news on MSNBC
Encarta Message Boards (© Rubberball/Jupiterimages)
MSN Shopping
Encarta RSS Feeds
© 2008 Microsoft