Prothrombin accelerator
prothrombin accelerator n.
See factor V.
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noun 1. the act of protecting or the state of being protected; preservation from injury or harm. 2. a thing, person, or group that protects: This vaccine is a protection against disease. 3. patronage. 4. Insurance. coverage (def 1). 5. Informal. money paid to racketeers for a guarantee against threatened violence. bribe money paid to […]
- Protecting
adjective 1. providing protection or shelter. verb (used with object) 1. to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger. 2. Economics. to guard (the industry or an industry of a nation) from foreign competition by imposing import duties. 3. to provide funds for the payment […]
- Protista
noun, (used with a plural verb) Biology. 1. a taxonomic kingdom comprising the protists. Protista Pro·tis·ta (prō-tĭs’tə) n. A former taxonomic kingdom made up of eukaryotic, unicellular organisms. Members of Protista now belong to the kingdom Protoctista, a new classification in most modern taxonomic systems.
- Protistan
noun 1. any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute […]
- Protistans
noun 1. any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute […]