STD
n. countablen. Stands for sexually transmitted disease. An infection that people get by having sex with someone who already has it.
n. Abbreviation for sexually transmitted disease. An infection or disease passed from one person to another through sexual contact. Often used interchangeably with STI (sexually transmitted infection) in modern medical contexts.
You should get tested for an STD if you have a new partner.
Health clinics provide free screenings and advice on how to prevent the spread of an STD.
Public health initiatives focus on reducing the stigma surrounding an STD to encourage more people to seek early diagnosis and treatment.
Typically used with the indefinite article 'an' because the first letter is pronounced as a vowel ('ess').
a STDan STDUse 'an' before acronyms that begin with a vowel sound, such as 'S' (ess).