Term: glass sponge: a siliceous sponge (with glassy spicules) of the class Hyalospongiae
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: dialectics: a rationale for dialectical materialism based on change through the conflict of opposing forces
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: contingency fee: a fee that is payable only if the outcome is successful (as for an attorney's services)
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: millwright: a workman who designs or erects mills and milling machinery
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: cellarage: a storage area in a cellar
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: wormian bone: any of the tiny soft bones found in the sutures between cranial bones
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: oil conservation: the conservation of petroleum resources
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: thessalian: a native or inhabitant of Thessaly
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: chrysaora quinquecirrha: a type of jellyfish
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: monoplane: an airplane with a single wing
Broader: sponge: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | Unrelated: astrophyton: includes many of the basket stars