| CLAS | parasitic flatworms (including flukes) |
|---|---|
| CLAS | free-living flatworms |
| CLAS | alternative name for the class Chlorophyceae in some classifications |
| CLAS | conflict between social or economic classes (especially between the capitalist and proletariat classes) |
| CLAS | conflict between social or economic classes (especially between the capitalist and proletariat classes) |
| CLAS | yellow-green algae |
| CLAS | class of fungi coextensive with subdivision Zygomycota |
| CLAS | a lawsuit brought by a representative member of a large group of people on behalf of all members of the group |
| CLAS | (used of society) "American society is becoming increasingly stratified" |
| CLAS | a creation of the highest excellence |
| CLAS | an artist who has created classic works |
| CLAS | characteristic of the classical artistic and literary traditions |