Epidemiological Factors

noun a synthetic organic compound used as an insecticide

• DDT, or dichlorodiphenyltrichloroethane, was once widely used as a pesticide but has since been banned in many countries due to its harmful effects on the environment and human health.
• I heard they used to spray DDT all over the fields back in the day to get rid of bugs.
• Don't mess with that stuff, it's like DDT for your brain.
• Her criticism was like DDT to his ego, leaving him feeling completely destroyed.

noun a word that refers to a person, place, thing, event, substance, or quality

adjective a word that describes or modifies a noun or pronoun

preposition a word that shows the relationship between a noun or pronoun and other words in a sentence

• The enveloped virus is surrounded by a lipid bilayer membrane derived from the host cell.
• The enveloped virus has a protective outer layer made of host cell material.
• That enveloped virus is like a sneaky thief with its own disguise.
• The enveloped virus wraps itself in a cloak of deception, evading detection by the immune system.