Modifies a noun

• tablet: Each effervescent tablet is white with a score line across the middle.

• personality: History aside, Canterbury has a young and effervescent personality.

• drink: Formulation Typical Ingredient Per Tablet: Vitamin C 1000mg ( 1666 % RDA ) Benefits Pleasant tasting effervescent drink.

• energy: Your hesitant muse may rediscover her muse in the midst of the sheer effervescent creative energy in the bar.

• vitamin: Effervescent vitamin C tablets placed on the tongue can help remove debris.

• nightlife: Days & Nights Mexico's Caribbean Coast is renowned not only for its pristine beaches but for its effervescent nightlife.