zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan
(Greek: animal, animals; living beings; life)
haematozoon, hematozoon (s) (noun), haematozoa; hematozoa (pl)
An animal parasite living in blood: Particular species of nematodes of the genus Filaria are considered to be haematozoa in that they thrive in the blood of people, dogs, horses, etc.
heliozoan (s) (noun), heliozoans (pl)
A free-living, usually freshwater, protozoan that has a spherical shell and radiating projections: Heliozoa, or sun animalcules, are roughly spherical amoeboids with many stiff, microtubule-supported projections called axopods radiating outward from the cell surface.
These give them the characteristic sun-like appearance for which they are named, and are variously used for capturing food, sensation, movement, and attachment. They may be found in both fresh water and marine environments.
heterozoic (adjective) (not comparable)
Pertaining to another animal or species of an animal: Jane was very interested in many kinds of living creatures and bought a book about fauna which included discourses about the heterozoic differences among them.
histozoic (adjective) (not comparable)
Pertaining to an organism living on or in the tissues outside of a cell body: Certain parasitic protozoa are known to be histozoic parasites that inhabit the exterior part of a host.
holendozoic (adjective) (not comparable)
A reference to a parasite which passes its entire life within an animal host: In the biology book that Mary had, holendozoic parasites were mentioned, especially those referring to fungi.
holozoic (adjective) (not comparable)
Referring to a creature that obtains all of its food like animals do: Holozoic organisms procure their food, get the nourishment from plants and other animals, and ingest the complex organic matter. This expression is used mainly of protozoans.
homeozoic, homoeozoic (adjective) (not comparable)
Pertaining to, or including, similar forms or kinds of life: Homeozoic belts of the ocean or homeozoic belts on the earth's surface refer to such areas or zones with similar fauna, or fauna and flora.
homozoic (adjective) (not comparable)
Pertaining to the same animal or the same species: All the different aspects of the life habits of cats could be applied in a homozoic way, including those of the family of Felidae.
Hydrozoa (pl) (noun)
A class of coelenterates, Cœlenterata: The Hydrozoa make up one of two main subdivisions of the subkingdom, Actinozoa, and include various simple and compound polyps and jellyfishes having no "stomodeum" or gastric tentacles.
hydrozoan (s) (noun), hydrozoans (pl)
Any freshwater or marine coelenterate of the class Hydrozoa: The hydrozoans include the free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.
hylozoic (adjective) (not comparable)
Pertaining to the doctrine of hylozoism that holds matter to be animated: Arthur had hylozoic views about life in that all matter has life, and life itself is incapable of being separated from matter.
hylozoism (s) (noun), hylozoisms (pl)
The philosophical doctrine that matter possess life, and matter and life cannot be separated from each other: Hylozoism is a belief that dates back to the Milesian school of pre-Socratic philosophers, and the term itself was created in 1678 by Ralph Cudworth, an English philosopher.
hypozoic (adjective) (not comparable)
Referring to elements that are older than the lowest rocks containing organic traces; pertaining to the Hyposoa: Hypozoic remains are those that lie below the fossiliferous systems in geology.
isozoic (adjective) (not comparable)
Characterized by or indicating the same forms of animal life: Isozoic characteristics were found in the animal life of the ocean.
isozooid (s) (noun), isozooids (pl)
An individual of a compound or “colonial” animal organism, not differentiated from the rest: An isozooid resembles its parent, whereas an "allozooid" differs from the parent.