'Pincer' is singular and 'pincers' usually is used for a set of two pincers; a pair.
pincers
The plural form of a singular woman is women.
The singular noun is mass. The plural form is masses.
The plural of "she" is "they", so the plural of "she had" is "they had".
Singular form is browse. Browses is plural form.
pincers
Vita is singular. The plural form of vita is vitae
"Ellipsis" is the singular form. The plural form is "ellipses."
The singular form of Dennis is Dennis, and the plural form is Dennises.
This is singular. These is the plural form.
The plural form of a singular woman is women.
The singular noun is mass. The plural form is masses.
The plural of "she" is "they", so the plural of "she had" is "they had".
Singular form is browse. Browses is plural form.
The singular form is it, the plural form is they(subjective) and them (objective).
The form laminae is the plural form; the singular form is lamina.
"Biopsy" is the singular form, while "biopsies" is the plural form.