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