- para-aminobenzoic acid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for paba
"There is no other, this is the last," answered the Paba sadly.The Stories of El Dorado
Frona Eunice Wait
They were not to be attributed to the paba: works so wondrous could not have been done in one lifetime.
I never saw him before; nor, until I told the story to the tzin, did I know the paba.
Your slave, O king, is not learned as a paba, and therefore believed him.
The paba, meantime, had been holding one of her hands, and gazing intently in her face.
- para-aminobenzoic acid
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
- Para-aminobenzoic acid; a crystalline para form of aminobenzoic acid that is part of the vitamin B complex, is required by many organisms for the formation of folic acids, and is widely used in sunscreens to absorb ultraviolet light.vitamin Bx
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Short for para-aminobenzoic acid. A crystalline form of aminobenzoic acid that is part of the vitamin B complex. It is a growth factor required by some microorganisms, and it is often used in sunscreens.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.