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Striation (Noun)

A stripe or stripes of contrasting color; "chromosomes exhibit characteristic bands"; "the black and yellow banding of bees and wasps".

Nouns denoting attributes of people and objects.

The geological formation was characterized by horizontal striation, with layers of limestone and sandstone visible in the exposed cliff face.
The chromosome was stained to reveal its distinctive striation pattern, which helped the researchers identify its specific genetic characteristics.
The bee's body displayed a bright yellow and black striation, warning potential predators of its ability to sting.
The microscopic image of the rock sample showed a clear striation of different minerals, indicating a complex geological history.
The characteristic striation on the surface of the leaf was a key feature used by botanists to identify the species.

Any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue.

Nouns denoting two and three dimensional shapes.

The geologist studied the striation on the rocks to determine the direction of the glacier's movement.
The microscope revealed a striation pattern in the muscle tissue that was characteristic of the disease.
The hikers marveled at the striation on the canyon walls, evidence of the ancient river's powerful flow.
The rock's surface showed a striation of parallel grooves, a testament to the glacier's relentless scraping.
The biologist examined the striation in the muscle fibers to understand how they contributed to the animal's incredible strength.