mi·cro·en·vi·ron·ment 
(mī′krō-ĕn-vīrən-mənt, -vīərn-)
(mī′krō-ĕn-vīrən-mənt, -vīərn-)n.
1. A small, often distinctive environment: microenvironments of the forest floor.
2. The area directly surrounding an organism or part of an organism, especially when it differs from the larger environment: the tumor microenvironment.
3. The immediate conditions or circumstances: a company's microenvironment.
- polymerize
- polymerous
- Polymnia
- Polymnia
- polymorph
- polymorphic
- polymorphism
- polymorphonuclear
- polymorphous
- polymorphously
- polymorphous perverse
- polymyxin
- Polynesia
- Polynesian
- polyneuritic
- polyneuritis
- Polynices
- polynomial
- polynuclear aromatic hydrocarbon
- polynucleotide
- polynya
- polyomavirus
- polyp
- polyparium
- polypary