Hydrozoa, class Hydrozoa
(noun) coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
hydrozoan, hydroid
(noun) colonial coelenterates having the polyp phase dominant
Source: WordNet® 3.1
hydrozoa pl (plural only)
A large group of marine animals, of the class Hydrozoa, whose life cycles contain a sexual and asexual stage
Source: Wiktionary
Hy`dro*zo"a, n. pl. Etym: [NL., fr. E. hydra + Gr. (Zoöl.)
Definition: The Acalephæ; one of the classes of coelenterates, including the Hydroidea, Discophora, and Siphonophora.
Hy`dro*zo"ön, n.; pl. L. Hydrozoa, E. Hydrozoöns. Etym: [NL.] (Zoöl.)
Definition: One of the Hydrozoa.
Source: Webster’s Unabridged Dictionary 1913 Edition
26 September 2024
(noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
