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