Upper-Intermediate (B2)
IPA: //dɪˈsækəraɪd//
KK: /dɪˈsækəraɪd/
Definition
A type of sugar made up of two smaller sugar molecules linked together.
Example
Lactose is a disaccharide found in milk.
Conversation

Hey, do you remember learning about different types of sugars in class?

Yeah, I think we covered monosaccharides and disaccharides too.

Right! I found it interesting how disaccharides are made up of two monosaccharides.

Exactly, like how sucrose is a disaccharide formed from glucose and fructose.
Synonyms & Antonyms
Synonyms
sugar
carbohydrate
saccharide
Antonyms
monosaccharide
polysaccharide
glucose
Root Explanation
Disaccharide → It is formed from "di-" (meaning two) and "saccharum" (meaning sugar). The word describes a carbohydrate composed of two sugar molecules linked together.
Memory Tip
Think of 'two' ('di-') sugars ('saccharum') combined — that's what a disaccharide is.
Visually Confused Words
saccharide
trisaccharide
saccharamide
saccharoid
saccharize
saccharine