Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
sigint
sigma
sigma hyperon
sigmoid
sigmoid colon
sigmoid flexure
sigmoidoscope
sign
sign away
sign convention
sign in
sign language
sign manual
sign of the cross
sign off
sign-off
sign on
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

signal

sig·nal [ sígn'l ]


noun  (plural sig·nals)
Definition:
 
1. means of communication: an action, gesture, or sign used as a means of communication

2. communicated information: a piece of information communicated by an action, gesture, or sign

3. incitement: something that incites somebody to action
The threat of a shortage was a signal to hoard.

4. electronics transmitted information: information transmitted by means of a modulated current or an electromagnetic wave and received by telephone, telegraph, radio, television, or radar



adjective 
Definition:
 
notable: of considerable importance
a signal accomplishment



verb  (past and past participle sig·naled, present participle sig·nal·ing, 3rd person present singular sig·nals)
Definition:
 
1. transitive and intransitive verb send message using signal: to communicate a message to somebody using a signal or signals

2. transitive verb communicate something: to communicate something with an action or gesture
She signaled her impatience.

3. transitive verb indicate something: to be a sign that something has happened or is about to happen
This event signaled the end of the conflict.

[14th century. Via French< medieval Latin signale< Latin signum "mark, sign"]

sig·nal·er noun
Advertisement

© 2009 Microsoft