The word 'triennial' indicates something occurs sparsely, with long intervals in between, emphasizing rarity.

Frequency Clue

Events labeled 'triennial' often involve planning and anticipation due to their infrequent nature.

Expect Anticipation

'Triennial' may imply that the event is significant or prestigious because it is not annual.

Imply Importance

When 'triennial' is used as a noun, it refers to an event itself, signifying a unique occasion.

Distinct Occasion

Due to the gap years, individuals and organizations often plan for a 'triennial' well in advance.

Planning Ahead

A 'triennial' offers a rare opportunity that may not occur frequently in someone's lifetime.

Rare Opportunity

 This eye is turning itself around in a television. This eye is inflating a plastic tube. This eye is watching a video of another piece being made. And these two eyes are activating glowing water. Many of these pieces are later on shown in museums, biennials, triennial exhibitions around the world.