Search Result for "impairer": 
Wordnet 3.0

NOUN (1)

1. an agent that impairs;
- Example: "crops can be great impairers of the soil"


The Collaborative International Dictionary of English v.0.48:

Impairer \Im*pair"er\, n. One who, or that which, impairs. [1913 Webster]
WordNet (r) 3.0 (2006):

impairer n 1: an agent that impairs; "crops can be great impairers of the soil"