coherent

C1 · Advanced Academic

adj. forming a complete and organized whole where all parts fit together.

adj. forming a unified whole; having a natural or due agreement of parts.

“The city needs a coherent plan for public transport instead of many small projects.”

“The collection of short stories lacks a coherent theme, making the book feel more like a random assortment than a deliberate work.”

C2 · Proficiency Science Technical

adj. describes waves, like light in a laser, that move together in the same direction and at the same time.

adj. of waves having the same direction, wavelength, and phase relationship.

“A laser produces a beam of coherent light that can travel long distances.”

“The experiment required a coherent light source to ensure that the interference patterns remained stable throughout the observation period.”

C2 · Proficiency Science Technical

adj. describes plant parts of the same kind that are grown together or touching.

adj. referring to similar parts of a plant that are united or closely pressed together.

“The botanist noted that the petals were coherent, forming a tube shape.”

“In certain species, the coherent stamens form a protective cylinder around the central style of the flower.”