This noun follows the standard English plural rule: simply add -s to the singular form.
Obsidian is regular. It follows the Standard -s rule.
Use plural verbs: "The obsidians are ready" (not "is ready").
Yes. The plural obsidians is standard across all English variants.
The word obsidian follows the standard English pluralization rule. When forming the plural, obsidian becomes obsidians. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why obsidian becomes obsidians helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using obsidians in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The obsidians are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.