stratify
stra tuh fahy
- v divide society into social classes or castes
- v form layers or strata
- v develop different social levels, classes, or castes
- v form, arrange, or deposit in layers
- v render fertile and preserve by placing between layers of earth or sand
stratify seeds
- Still, if the screen can stratify patients by the likelihood of their cancer coming back, they might be more comfortable deciding whether to begin chemotherapy.
- As many as eleven castes stratify some ant species: even the simplest colonies contain queens, drones, workers, soldiers.
- But grim irony warmer temperatures also stratify the water, making it harder for edible organisms like plankton, which prefers cold water, to get to the animals who eat them.