mi·cro·cap·sule 
(mīkrō-kăp′səl, -sl)
(mīkrō-kăp′səl, -sl)n.
A small, sometimes microscopic capsule designed to release its contents when broken by pressure, dissolved, or melted.
- sleep apnea
- sleep around
- sleeper
- sleepily
- sleep in
- sleep-in
- sleepiness
- sleeping bag
- sleeping car
- sleeping pill
- sleeping porch
- sleeping sickness
- sleep-learning
- sleepless
- sleeplessly
- sleeplessness
- sleep like a log
- sleep like a log/rock
- sleep like a rock
- sleep on
- sleep out
- sleep over
- sleepover
- sleep terror
- sleep together