© 2026 Sloth Lingo. Learn easy. Lounge wisely.

sprue

Intermediate (B1)

IPA: /spruː/

KK: /spru/

noun
Definition

A term used to describe a type of waste material or channel in manufacturing, particularly in casting and molding processes, where excess material is removed or where molten material is poured into a mold.


Example

After the metal cooled, the workers removed the sprue from the casting to ensure a smooth finish.


Conversation
Sloth A
I was watching a video on how to cast metal, and they mentioned something called a sprue.
Sloth B
Oh, I know about that! It's the part that channels the molten material into the mold, right?
Sloth A
Exactly! I didn't realize it also includes the waste material left over after casting.
Sloth B
Yeah, it’s interesting how much goes into the process of making something simple.

Synonyms & Antonyms
Synonyms
casting
mold
waste
Antonyms
health
strength
purity
Root Explanation

The word 'sprue' originates from the Dutch word 'spruw', meaning a spout or a channel. It refers to the waste material that is removed from a mold in casting processes, resembling a spout.

Memory Tip

Think of the Dutch word 'spruw' for a spout, which helps you remember that 'sprue' refers to the channel or waste material in casting.

Visually Confused Words
prue
sprogue
sporule
strue
spume
spuke
sprew
spret
Is this page helpful?