What is Decaf? Meaning, Benefits & Usage

Meaning 1：Decaf (Decaf)

Decaf 🔊

/ˈdiːkæf/

Coffee (or sometimes tea) that has had most of its caffeine removed through a special process.

Decaf 🔊

➕

/ˈdiːkæf/

Coffee (or sometimes tea) that has undergone a process to remove most of its caffeine content, allowing consumption without the stimulating effects.

📁 Category：Diet & Health 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From 'de-' (remove) + 'caffeine', meaning coffee with caffeine removed.

💡 Mnemonic

Think of 'de-caf' as 'de-caffeine': removing the part that keeps you awake.

📖 Example

I'd like a large latte, but could you please make it decaf? I'm trying to cut down on caffeine before bed. 🔊 I'd like a large latte, but could you please make it decaf? I'm trying to cut down on caffeine before bed.

🔗 Collocations

decaf coffee – coffee with most caffeine removed

decaf latte – latte made with decaffeinated espresso

order decaf – request a decaffeinated beverage

🔄 Synonyms

decaffeinated coffee (n.) – coffee that has had caffeine extracted

caffeine-free coffee (n.) – coffee containing no caffeine

🚫 Antonyms

regular coffee (n.) – coffee with its natural caffeine content

🌱 Derivatives

decaffeinate (v.) – to remove caffeine from a substance

decaffeination (n.) – the process of removing caffeine

📖 Cultural Story

Decaf emerged in the early 20th century after Ludwig Roselius developed a process to remove caffeine using benzene. Today it is a popular choice for those avoiding stimulants.