gyre
/dʤaiə/
Học thuậtThân thiện
Definition
Noun: A circular or spiral motion; a vortex. In a more specific sense, it refers to a round shape formed by a series of concentric circles, such as those seen in the arrangement of leaves or flower petals. In oceanography, it denotes a large system of circulating ocean currents, particularly those driven by global wind patterns and the Coriolis effect.
Usage and Examples
- Noun (General Circular Form):
- The artist drew a perfect gyre on the canvas.
- The falling leaf spun in a slow gyre before touching the ground.
- Noun (Oceanographic System):
- The Great Pacific Garbage Patch is located within the North Pacific Gyre.
- Oceanographers study how plastic accumulates in these massive gyres.
Advanced Usage
- "To gyre" (Archaic/Literary Verb): To whirl, revolve, or gyrate.
- "The falcon cannot hear the falconer; / Things fall apart; the centre cannot hold; / Mere anarchy is loosed upon the world..." – This famous line from W.B. Yeats's "The Second Coming" uses the verb form: "Turning and turning in the widening gyre..." to evoke a spiraling, chaotic motion.
Variants and Related Words
- Gyrate (verb): To move in a circle or spiral, or to revolve around a fixed point.
- The dancers began to gyrate to the rhythm of the music.
- Gyration (noun): The act of gyrating; circular or spiral motion.
- The gyration of the helicopter's blades created a strong downdraft.
Synonyms
- Whirl
- Spiral
- Vortex
- Eddy (especially for a smaller, swirling current of water or air)
Related Phrases and Idioms
- "In a gyre": Caught in a circular or repetitive pattern, often with a sense of being trapped or in chaos (primarily from literary use, like in Yeats).
- His thoughts were caught in a gyre of anxiety, going around and around without resolution.
Noun
- a round shape formed by a series of concentric circles (as formed by leaves or flower petals)