flatworm. see Platyhelminthes Platyhelminthes, phylum containing about 20,000 species of soft-bodied, bilaterally symmetrical, invertebrate animals, commonly called flatworms.There are four classes: the free-living, primarily aquatic class, Turbellaria, and Trematoda, Cestoda, and Monogenea, which are.....ee Platyhelminthes Platyhelminthes, phylum containing about 20,000 species of soft-bodied, bilaterally symmetrical, invertebrate animals, commonly called flatworms.
Freebase(0.00 / 0 votes)Rate this definition: Pro rata. Pro rata is an adverb or adjective, meaning in proportion. The term is used in many legal and economic contexts. It is sometimes spelled pro-rata, but this is technically a misspelling of the Latin phrase. In North American English this term has been vernacularized to prorated.
Part-time Status. Your pro rata salary is proportionate to the amount that a full-time employee -- who works the same job and has the same qualifications as you -- would receive. For example, this may happen to a teacher who works on a part-time basis for a college or university.Assume a full-time teacher makes $48,000 per year, based on a 40-hour work week, and does the same work you do. If you work 20 hours per week, your annual pro rata salary would be half of $48,000, or $24,000.or example, this may happen to a teacher who works on a part-time basis for a college or university. Assume a full-time teacher makes $48,000 per year, based on a 40-hour work week, and does the same work you do. If you work 20 hours per week, your annual pro rata salary would be half of $48,000, or $24,000.