English Reference

Word

CBD

Phoneticscbd

Definitions

01cannabidiol

B2 · Medicine

n. Stands for Cannabidiol. It is a natural chemical found in hemp plants that people use for health reasons, but it does not make you feel high.

n. Abbreviation for Cannabidiol. A non-psychoactive phytocannabinoid derived from the cannabis plant, frequently marketed for its purported therapeutic effects.

“She uses CBD oil to help her sleep better at night.”

“The recent deregulation of hemp-derived products has led to a surge in the availability of CBD supplements in mainstream pharmacies.”

Usage

Often used as a modifier before another noun like 'oil', 'gummy', or 'cream'.

Synonyms

cannabidiol

02city centre

B2

n. Stands for Central Business District. This is the main commercial and business part of a city, often called the city centre.

n. Abbreviation for Central Business District. The commercial and geographical heart of a city, typically characterized by a high concentration of retail and office space.

“The new office is located right in the middle of the CBD.”

“Urban planners are looking for ways to increase residential density within the CBD to reduce the reliance on long-distance commuting.”

British English · Dialect

Teaching tip

This sense is very common in Australian, New Zealand, and South African English; American speakers usually say 'downtown'.

Antonyms

03anatomy

C2 · Medicine

n. Stands for Common Bile Duct. This is a small tube in your body that carries fluid from the liver and gallbladder to the stomach.

n. Abbreviation for Common Bile Duct. The duct formed by the junction of the common hepatic duct and the cystic duct.

“The surgeon checked the CBD for any small stones during the operation.”

“Obstruction of the CBD can lead to significant clinical complications, including jaundice and ascending cholangitis.”

Technical

04military defence

C1

n. Stands for Chemical and Biological Defence. It refers to the protection of soldiers or people against chemical or biological weapons.

n. Abbreviation for Chemical and Biological Defence. A military or civil security domain focused on protecting personnel against toxic chemical or biological agents.

“The troops underwent intensive CBD training to prepare for hazardous environments.”

“The government increased funding for CBD protocols in response to emerging unconventional threats in the region.”

Technical

Real-World Examples

“The New South Wales government is now considering a 90MW datacentre about 9km from Sydney’s CBD.”
The Guardian · 25 Aug 2026

Domains

AnatomyMilitary

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/cbd

English Reference