GC: n

S: NIH – https://pubmed.ncbi.nlm.nih.gov/12318921/ (last access: 23 June 2024); PRB – https://www.prb.org/resources/men-as-contraceptive-users-and-family-planning-clients/ (last access: 23 June 2024).

N: 1. c. 1400, agent noun from “use” (v.). Of narcotics, from 1935; of computers, from 1967. User-friendly (1977) is said in some sources to have been coined by software designer Harlan Crowder as early as 1972.

2. someone who uses something: such as
. a person who uses a product or service. Examples: smartphone users; library users. The site has millions of users; users of the city’s transit system.
. a person who frequently uses alcoholic beverages or narcotics. Example: a drug user.

3. Informatics: An agent, either a human agent (end-user) or software agent, who uses a computer or network service.
A user often has a user account and is identified by a username.

S: 1. Etymonline – https://www.etymonline.com/search?q=user (last access: 23 June 2024). 2. MW – https://www.merriam-webster.com/dictionary/user (last access: 23 June 2024). 3. TERMIUM PLUS – https://www.btb.termiumplus.gc.ca/tpv2alpha/alpha-eng.html?lang=eng&i=1&srchtxt=user&index=alt&codom2nd_wet=1#resultrecs (last access: 23 June 2024).

SYN:
S:

CR: patient, sick person.