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