What is meant by hazard symbol? Md. Saifur Rahman Hazard symbol means that direct contact on skin or inhalation of substances main cause short or long term hum our health.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?