singularise

/ˈsɪŋɡjələraɪz/
verb
  1. To make a word or phrase refer to only one person or thing; to change from plural to singular.
    • You need to singularise the noun when you talk about just one item.
    • In this exercise, singularise each plural noun by removing the -s.
    • The editor asked the writer to singularise several plural terms in the report.
Antonyms
What does "singularise" mean? | whatsthatwordmean | whatsthatwordmean