Informally, a psychologist is often referred to as a "shrink." This nickname comes from "headshrinker," which alludes to the idea of helping individuals with mental and emotional issues. Other informal terms include "therapist" or "counselor," though these can also refer to other mental health professionals.
Protists are informally called protozoa.
Oil is informally called "black gold" due to its value and importance in the global economy.
paramecium
A person who studies the mind is called a psychologist.
mocs, informally...short for moccasins
Rude
A father's mom is typically called a grandmother or, informally, a grandma.
It was called i Mille - the Thousand. Or more informally the Redshirts.
The House
is called a variable or a literal constant, or informally an unknown.
Anthropologists, sociologists, psychologist.
Publicité. (an ad is informally called "pub")