Of, relating to, or caused by a toxin or other poison: a toxic condition; toxic hepatitis.
Capable of causing injury or death, especially by chemical means; poisonous: food preservatives that are toxic in concentrated amounts; a dump for toxic industrial wastes. See Synonyms at poisonous.
A toxic chemical or other substance.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.