Oil is informally called "black gold" due to its value and importance in the global economy.
Protists are informally called protozoa.
The oil extracted from flower petals is called essential oil. It is concentrated and contains the natural fragrance and therapeutic properties of the flowers.
A girl's pubic area is called the pudendum.
It is called immiscibility, where oil and water do not mix and form separate layers.
The oil on your fingers is called sebum. It is produced by the sebaceous glands in the skin and helps to keep the skin moisturized and protected.
Protists are informally called protozoa.
paramecium
Rude
mocs, informally...short for moccasins
It was called i Mille - the Thousand. Or more informally the Redshirts.
A father's mom is typically called a grandmother or, informally, a grandma.
The House
is called a variable or a literal constant, or informally an unknown.
Publicité. (an ad is informally called "pub")
The horizontal bar in a fraction is called a vinculum or, informally, a "fraction bar".
A common informal term for an Irish lad is "mate" or "lad."
No employer is blue collar or any other collar. OCCUPATIONS are informally called that.