| foraminifer | <zoology> One of the foraminifera. Source: Websters Dictionary (01 Mar 1998) |
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| foraminifera | <zoology> An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand. See Rhizophoda. Origin: NL, fr. L. Foramen, -aminis, a foramen + ferre to bear. Source: Websters Dictionary (01 Mar 1998) |
| foraminiferan | <protozoa> A type of protozoan which has a calcareous shell (shell made of calcium carbonate), often large enough to be seen by the naked eye. There are both bottom-dwelling and planktonic species. Foraminifera are important index fossils. (04 Apr 1998) |
| foraminiferous | 1. Possessing openings or foramina. 2. Relating to the Foraminifera. (05 Mar 2000) |