tox·in 
/ˈtɑ:ksən/ noun
plural tox·ins /ˈtɑ:ksən/ noun [count] : a poisonous substance and especially one that is produced by a living thing
▪ the toxin in scorpion venom ▪ Scientists are studying how exposure to environmental toxins [=small amounts of poisons found in air, water, food, etc.] may affect our health.
▪ the toxin in scorpion venom ▪ Scientists are studying how exposure to environmental toxins [=small amounts of poisons found in air, water, food, etc.] may affect our health.
