ceras
(noun) one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills
Source: WordNet® 3.1
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
