Upper-Intermediate (B2)
IPA: /ˈɒstɪɔɪd/
KK: /ˈɑːstɪɔɪd/
Definition
Having a structure or appearance similar to bone.
Example
The osteoid tissue is essential for bone formation.
Comparatives & Superlatives
Comparative: more osteoid
Superlative: most osteoid
Conversation

Have you seen that sculpture? It has such an osteoid texture, almost like bone.

Yeah, I noticed that! It's fascinating how realistic it looks.

I wonder what materials they used to achieve that osteoid effect.

It really makes the piece stand out in the gallery.
Synonyms & Antonyms
Definition
A type of bone matrix that has not yet hardened or calcified into bone.
Example
The osteoid serves as a scaffold for new bone formation.
Conversation

I just read about how important osteoid is in bone development.

Really? I didn’t know that it’s the bone matrix before it hardens.

Yeah, it’s fascinating how bones start out as this uncalcified substance called osteoid.
Root Explanation
Osteoid is formed from "osteon" (from Greek "osteon", meaning bone) and "-oid" (meaning resembling or like). The word osteoid refers to a substance that resembles bone or is similar to bone in structure.
Memory Tip
Think of 'osteon' which means bone, and '-oid' which means resembling. This helps you remember that osteoid is something that resembles bone.
Visually Confused Words
ostreoid
steroid
steid
rostroid
oestroid
icosteid
asteroid