1. Eggplant is a countable noun.2. In linguistics, a noun is considered countable if it can be counted numerically. Eggplant, as a type of vegetable, can be counted in specific contexts.3. For instance, one might say, "I want to buy two eggplants" at a supermarket or "Three eggplants are needed to make this dish" while cooking.4. Therefore, from the perspective of context and usage, eggplant is a countable noun.5. Its plural form is "eggplants," or sometimes "eggplant" is used to indicate multiple eggplants.6. When referring to different varieties of eggplants or expressing multiple eggplants, the countable noun "eggplant" is used.