The most common clinically important species found in this group include the M. avium complex (M. avium and M. intracellulare), M. kansasii, M. xenopi, M. simiae, M. szulgai, M. scrofulaceum, M. malmoense, M. terrae-nonchromogenicum complex, M. haemophilum, and M. genavense.
keener. 1  1 : having a fine edge or point : sharp a keen knife. 2  2 : having or showing mental sharpness a keen observation. 3  3 : very sensitive (as in seeing, smelling, or hearing) keen eyesight. 4  4 : full of enthusiasm : eager â¦ everybody was very keen to hear details of what had happened â¦ â J. K. Rowling, Goblet of Fire.
A stalker can describe anyone who sneaks around, but it usually means a person who follows one specific individual obsessively. The word wasn't used this way until the early 1990s. Before that, it was mostly used interchangeably with poacher to mean someone who pursues and steals game animals.. The Old English word stelan lead to the English word steal, which is most likely the root of stalk. Definitions of stalker.