Visual Dictionary Online
About the visual
games
Tools
Products
About us
Contest
Merriam-Webster Online >
Index
IMAGES
Theme
Astronomy
Earth
Plants & gardening
Animal kingdom
Human being
Food & kitchen
House
Clothing & articles
Arts & architecture
Communications
Transport & machinery
Energy
Science
Chemistry
Physics: mechanics
Physics: electricity and magnetism
Physics: optics
Measuring devices
Scientific symbols
Society
Sports & games
Your feedback
Help
HOME
::
SCIENCE
::
MEASURING DEVICES
::
MEASURE OF ANGLES
::
PROTRACTOR
protractor
Graduated semicircular instrument for measuring and drawing angles.
previous
next
© QA INTERNATIONAL 2008
previous
