cardioid
Use Cardioid in a sentence
diˌɔɪd noun Mathematics.
a somewhat heart-shaped curve, being the path of a point on a circle that rolls externally, without slipping, on another equal circle. Equation: r = a (1−cosA).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To cardioid
Collins
World English Dictionary
cardioid (ˈkɑːdɪˌɔɪd) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a heart-shaped curve generated by a fixed point on a circle as it rolls around another fixed circle of equal radius, a. Equation: r = a(1 -- cos φ), where r is the radius vector and φ is the polar angle | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Cardioid
is always a great word to know.
So is gobo. Does it mean:
| a gadget; dingus; thingumbob. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
American Heritage
Science Dictionary
| cardioid (kär'dē-oid') Pronunciation Key
A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
It is preferable to use a cardioid condenser rather than a paraboloid condenser for darkfield fluorescent microscopy.
Slightly higher power levels may be allowed in certain cases when cardioid antennas are utilized.
The microphones are typically cardioid or super cardioid microphones and therefore the best quality signal for each speaker.
The cardioid, for instance, features a partially closed backside.
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