exacting
exac·ting
adjective
1.
having complicated nutritional requirements; especially growing only in special artificial cultures
- “fastidious microorganisms”
- “certain highly specialized xerophytes are extremely exacting in their requirements”
2.
Origin
From exact + -ing.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.