In biology, this refers to microorganisms which have unusual and/or complex nutritional needs and must be grown on enriched media.


From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

Fas*tid"i*ous (?), a. [L. fastidiosus disdainful, fr. fastidium loathing, aversion, perh. fr. fastus arrogance (of uncertain origin) + taedium loathing. Cf. Tedious, Fash.]

Difficult to please; delicate to fault; suited with difficulty; squeamish; as, a fastidious mind or ear; a fastidious appetite.

Proud youth! fastidious of the lower world. Young.

Syn. -- Squeamish; critical; overnice; difficult; punctilious. -- Fastidious, Squeamish. We call a person fastidious when his taste or feelings are offended by trifling defects or errors; we call him squeamish when he is excessively nice or critical on minor points, and also when he is overscrupulous as to questions of duty. "Whoever examines his own imperfections will cease to be fastidious; whoever restrains his caprice and scrupulosity will cease to be squeamish." Crabb.

-- Fas*tid"i*ous*ly, adv. -- Fas*tid"i*ous*ness, n.

 

© Webster 1913.

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