toxicant

[tok-si-kuh nt] /ˈtɒk sɪ kənt/
adjective
1.
poisonous; toxic.
noun
2.
a poison.
Origin
1880-85; < Medieval Latin toxicant- (stem of toxicāns), present participle of toxicāre to poison. See toxic, -ant
Examples from the web for toxicant
  • Next they exposed the cells to a mitochondrial toxicant.
  • The hazmat team was after a smoking gun--some volatile toxicant that might yet be lurking in the air of the emergency room.
  • In this study, caffeine was found to act as both a repellent and toxicant against slugs and snails.
  • Atrazine was developed as a new reference toxicant for use in evaluating the consistency of the culture method.
  • In the span of five decades, selenium has moved from being thought of as a toxicant to being considered an essential nutrient.
  • Where organisms are cultured in-house, monthly reference toxicant testing is sufficient.
British Dictionary definitions for toxicant

toxicant

/ˈtɒksɪkənt/
noun
1.
a toxic substance; poison
2.
a rare word for intoxicant
adjective
3.
poisonous; toxic
Word Origin
C19: from Medieval Latin toxicāre to poison; see toxic
toxicant in Medicine

toxicant tox·i·cant (tŏk'sĭ-kənt)
n.

  1. A poison or poisonous agent.

  2. An intoxicant.

adj.
Poisonous; toxic.