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petrous

Upper-Intermediate (B2)

IPA: /ˈpɛtrəs/

KK: /ˈpɛtrəs/

adjective
Definition

Relating to a very hard and dense part of the temporal bone in the skull, which protects the inner ear.


Example

The petrous part of the temporal bone is crucial for protecting the inner ear structures.


Conversation
Sloth A
Did you know that the petrous part of the temporal bone is super dense?
Sloth B
No, I had no idea! That sounds interesting.
Sloth A
Yeah, it actually protects the inner ear quite well.
Sloth B
That's pretty cool! I love learning about how our bodies work.

Synonyms & Antonyms
Synonyms
rocky
stony
hard
Antonyms
soft
fragile
yielding
Root Explanation

Petrous → It is derived from the Latin word "petrosus" (meaning stony or rocky), which comes from "petra" (meaning rock). The term "petrous" refers to something that is hard or stony, particularly in relation to the petrous part of the temporal bone in the skull, which is dense and rock-like.

Memory Tip

Think of the word 'rock' ('petra') to remember that 'petrous' describes something that is hard or stony, like the dense part of a bone.

Visually Confused Words
spectrous
pesterous
peropus
pectous
estrous
plethorous
viperous
spermous
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