| SCA | small European fern with chaffy leathery fronds |
|---|---|
| SCA | small homopterous insect that usually lives and feeds on plants and secretes a protective waxy covering |
| SCA | a specialized leaf or bract that protects a bud or catkin |
| SCA | mosslike liverwort with tiny scalelike leaves |
| SCA | an ordered reference standard |
| SCA | increase proportionally |
| SCA | a value on some scale of measurement |
| SCA | partly refined paraffin wax |
| SCA | used of armor |
| SCA | (zoology) having the body covered or partially covered with thin horny plates, as some fish and reptiles |
| SCA | destitute of scales |
| SCA | reduced to a small appressed thing that resembles a scale |