Word
LSD
Phoneticslsd
/ˌɛˌɫɛsˈdi/
Uncountable noun
Definition
n. Stands for lysergic acid diethylamide. A powerful drug that changes how you see and hear the world around you. It is often called acid and can cause very strong, strange experiences.
n. Abbreviation for lysergic acid diethylamide. A potent synthetic hallucinogenic drug derived from lysergic acid. Often used in the context of counterculture or psychiatric research.
Examples
“The scientist studied the effects of LSD on the brain.”
“During the 1960s, LSD became a symbol of the counterculture movement and influenced much of the era's art and music.”
“While early researchers investigated LSD for its potential to treat alcoholism and depression, the substance was eventually classified as a controlled drug due to its unpredictable psychological effects.”
Examples
simple
“The scientist studied the effects of LSD on the brain.”
contextual
“During the 1960s, LSD became a symbol of the counterculture movement and influenced much of the era's art and music.”
complex
“While early researchers investigated LSD for its potential to treat alcoholism and depression, the substance was eventually classified as a controlled drug due to its unpredictable psychological effects.”
Usage
Often used without an article when referring to the substance generally.
Real-World Examples
“University of California, Davis, researchers have stripped down LSD to the base features responsible for its hallucinogenic and therapeutic effects.” “Much of the focus had been on LSD, psilocybin and ketamine, but 5-MeO-DMT provided a whole new level of experience.” Etymology
From Latin lībra solidus dēnārius.
From German LSD, initialism of Lysergsäure-diethylamid.
Other initialisms.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Frequent
- Level
- C1 · Advanced
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/lsd