Related Clues:

• Very small.
• Hard to spot
• Very small- as in time
• Very small or unit of time
• Immeasurably small
• Very small, like unit of time
• Very small like unit of time
• Very small, like period of time
• Really very small, like a period of time
• Tiny like time unit (6)
• Shortly one would have made a little note of this
• Time is very short
• Hardly any time is needed to be silent around in this
• I have a hard shell in me, but very little of it
• It's small, but in time what comes second is smaller still