Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
semidiurnal
semidivine
semidocumentary
semidome
semidomesticated
semidry
semidurable goods
semidwarf
semielliptical
semifinal
semifinished
semifluid
semiformal
semifreddo
semigloss
semigroup
semihard
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

semimajor axis
sem·i·ma·jor ax·is [ sèmmee màyjər áksiss, sèmmī màyjər áksiss ] (plural sem·i·ma·jor ax·es)


noun 
Definition:
 
mathematics half of ellipse's longest axis: either of the two halves of the longest axis of an ellipse.
See also  semiminor axis
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft