Final answer:
The 'Pap' in Pap smear stands for Papanicolaou test and is an example of an initialism, which is a type of abbreviation where initial letters are used.
Step-by-step explanation:
In the example provided, the letters Pap are being turned into an abbreviation for the Papanicolaou test. This type of abbreviation, where a longer term is shortened to just a few of its initial components, is known as an initialism.
Initialisms are a subset of abbreviations and are used for convenience, especially in fields like medicine where many terms are long and complex.
The Papanicolaou test, more commonly known as a Pap smear, is a procedure in which a cytotechnologist examines cells from the uterine cervix to check for abnormal growth or microbial infections that could indicate conditions such as cervical cancer.
The complete question is: In the picture below, the letters Pap are being turned into an abbreviation for the Papanicolaou test. This is an example of a/n ___ abbreviation. is: