Word Meanings - HYDROZOA - Book Publishers vocabulary database

The Acalephæ; one of the classes of coelenterates, including the Hydroidea, Discophora, and Siphonophora.

ACALEPHOID
Belonging to or resembling the Acalephæ or jellyfishes.
ACALEPH; ACALEPHAN
One of the Acalephæ.
INCLUDED
Inclosed; confined. Included stamens , such as are shorter than the floral envelopes, or are concealed within them.
SIPHONOPHORA
An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others
SIPHONOPHORAN
Belonging to the Siphonophora. -- n.
HYDROIDEA
Note: This order includes the hydras and the free-swimming hydromedusæ, together with a great variety of marine attached hydroids, many of which grow up into large, elegantly branched forms, consisting of a vast number of zooids , united
DISCOPHORA
A division of acalephs or jellyfishes, including most of the large disklike species. -- Dis*coph"o*rous, a.
INCLUDE
1. To confine within; to hold; to contain; to shut up; to inclose; as, the shell of a nut includes the kernel; a pearl is included in a shell. 2. To comprehend or comprise, as a genus the species, the whole a part, an argument or reason
ACALEPHAE
A group of Coelenterata, including the Medusæ or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called sea nettles.
INCLUDIBLE
Capable of being included.