from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic family within the order Enterobacteriales — many gram-negative rod-shaped bacteria including many pathogens.
from the GNU version of the Collaborative International Dictionary of English
- proper n. a natural family of rod-shaped gram-negative bacteria, most of which occur normally or pathogenically in intestines of humans and other animals, and some of which grow in plants. The type genus is Escherichia. They are aerobic and facultatively anaerobic, and may be motile or non-motile. Most are easily cultured on artificial growth media. Both pathogenic and non-pathogenic strains exist.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large family of Gram-negative rod-shaped bacteria of the order Eubacteriales
Enterobacter + -aceae (Wiktionary)