the fixed line, usually horizontal, from which the angle made by the radius vector is measured in a polar coordinate system.
Wild Weather Words You Need To KnowPeople talk about the weather all the time. And so, we present this list of weather words we think you need to know to join the conversation.
political spectrumRead more in this article about some frequently asked questions and fun facts related to our definitions.
- poland china,
- poland, invasion of,
- polar angle,
- polar bear,
- polar body,
- polar bond,
- polar cap,
- polar cataract
Origin of polar axis
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012