Normally sound will spread out in as many directions as it can from a source. As it spreads out with distance, it loses energy (loudness). A megaphone is a cone that limits the directions that the sound can spread into. It concentrates the sound in the forward direction, so that it sounds louder in that direction at longer distances. The tradeoff is that the sound is much quieter off to the sides of the cone than it would be if the megaphone weren't used
Megaphone is a noun.
I'll forego the megaphone. Your megaphone could use a fresh coat of paint.
Pass me the megaphone.He yelled into the megaphone for the robber to give up.
I used a megaphone to get the students attention.
Megaphone Team was created in 2003.
Megaphone - band - was created in 2004.
The Braindead Megaphone has 272 pages.
A megaphone is something cheerleaders speak into to be louder!
The megaphone was invented in 1878 by Thomas Edison
Operation Megaphone happened on 2000-07-30.
The Braindead Megaphone was created on 2007-09-04.
The ISBN of The Braindead Megaphone is 1-59448-256-X.