Upper-Intermediate (B2)
IPA: /ɒbˈtjuːreɪʃən/
KK: /ɑbˈtjuːrˌeɪʃən/
Definition
The action of blocking or sealing an opening.
Example
The obturation of the pipe prevented any leaks from occurring.
Conversation

Have you heard about the process of obturation in plumbing?

Yeah, isn’t that when they seal off a pipe or something?

Exactly! It's important to prevent leaks and keep everything running smoothly.

Right, I guess proper obturation can save a lot of hassle later on.
Synonyms & Antonyms
Synonyms
closure
blockage
obstruction
Root Explanation
Obturation → It is formed from "ob-" (meaning against) and "turare" (meaning to close or block). The word refers to the act of blocking or closing something, particularly in a medical or mechanical context.
Memory Tip
Think of something being 'closed off' or 'blocked' — 'ob-' means against, and 'turare' means to close.
Visually Confused Words
objuration
obduration
obumbration
obscuration
objurgation
oration
obtruncation
obliteration