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semilunar valve
semimajor axis
semimetal
semiminor axis
semimonthly
seminal
seminal fluid
seminal vesicle
seminar
seminary
seminiferous
Seminole
seminoma
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seminude
semiochemical
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semigroup
sem·i·group [ sémmee grp, sémmī grp ] (plural sem·i·groups)


noun 
Definition:
 
type of mathematical set: a mathematical set for which there is a closed and associative binary operation
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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