Monera

[ muh-neer-uh ]

noun

, Biology.

1. (in the five-kingdom system of taxonomic classification) the kingdom of prokaryotic organisms that include the bacteria and typically reproduce by asexual budding or fission, and that are nourished through photosynthesis or chemosynthesis.

Monera

1. The kingdom of single-celled organisms without a cell nucleus ( see also prokaryotes ). Monera are the most primitive living things and are thought to have been the first to evolve.

Word History and Origins

Origin of Monera¹

First recorded in 1865–70; from New Latin, plural of monēron, coinage based on Greek monḗrēs “solitary, single,” derivative of mónos “alone, only”

Example Sentences

The instructive monera once more form a connecting bridge between the two realms.

From Project Gutenberg

These and other writers suppose that the nucleus has been overlooked in the protoplasm of the monera I have described.

From Project Gutenberg

This comparison is inapplicable to the lowest organisms, the monera, which are devoid of such a mechanical structure.

From Project Gutenberg

A long gradation of cellular organization leads from the simplest primitive cells (monera) to the highest developed protists.

From Project Gutenberg

We find cœnobia of this kind even among the monera, such as the zooglœa of many bacteria and chromacea.

From Project Gutenberg