poisonous substance

Translations
ядовитое вещество
The laboratory was careful to handle the poisonous substance with extreme caution.
Лаборатория осторожно обращалась с ядовитым веществом.
Definitions
A poisonous substance is a material that can cause harm, injury, or death to living organisms when ingested, inhaled, or absorbed through the skin, often by disrupting biological processes or causing toxic reactions.
Words
poisonous

adjective
ядовитый
substance

noun
вещество