protozoic

• 过时的形容词，指某事物最早或原始的阶段，源自地质术语“元古宙”（前寒武纪时期的旧称）。现代英语中已不再使用。

An obsolete adjective referring to the earliest or primitive stage of something, derived from the geological term 'Protozoic' (an outdated name for the Precambrian era). It is no longer used in modern English.

1. Relating to ProtozoaC1formalscientific

   Of or pertaining to the group of single-celled microscopic organisms known as Protozoa.

   原生动物的

   • The protozoic life forms were observed under the microscope.
   • Protozoic organisms play a key role in aquatic ecosystems.
   • The scientist specialized in the study of protozoic parasites.

   同义词protozoal