The plural of isthmus is accepted as either isthmuses or isthmi.
You say ismus
isthmi
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
the plural word is comedones
The plural word for batch is batches.
No, the plural of problem is problems.
The plural of diary is diaries.
Isthmi is plural. There are actually two plural forms. I will list them from singular to plural. Isthmus - Singular Isthmi - Plural Isthmuses - Plural
Isthmus
An isthmus is a narrow land bridge between two larger bodies of land.
Isthmus
Isthmus
Isthmus.
The isthmus of Panama is the narrowest point between North and South America. The two mountains were almost separate islands except for a narrow sandy isthmus which connected them.
Isthmus Canal Sovereign country
isthmus
isthmus
Isthmus is the scientific name for the piece of land connecting two larger pieces of land. This could also be referred to as a land bridge.
The word crises is a plural word; it is the plural form of the word crisis.