adhd

/ˌeɪ.diː.eɪtʃˈdiː/ (bre, ipa) · [ˌedˌiˌetʃdˈi] /ˌeɪ.diː.eɪtʃˈdiː/ (ame, ipa)

adhd — noun

1. a neurodevelopmental condition that affects a person's ability to concentrate, c

1.名詞B1
釋義

a neurodevelopmental condition that affects a person's ability to concentrate, control impulsive urges, and regulate their level of physical activity, with symptoms often first noticed in childhood

例句

Lakshmi was diagnosed with ADHD when she started primary school.

diagnosed with ADHD — common collocation for receiving the diagnosis

Theo's teachers suggested that the school test him for ADHD.

test for ADHD — collocation for the assessment process

用法筆記

ADHD functions as an uncountable noun in English; it does not take the indefinite article 'a' or 'an'. The full form is 'attention deficit hyperactivity disorder,' but the abbreviation is far more common in both medical and everyday language.

常見錯誤

The doctor said he has an ADHD.
The doctor said he has ADHD.
💡ADHD is an uncountable noun and does not take 'a' or 'an'.