ray

/rei/
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ray

A ray swims gracefully through the clear blue ocean.

Definition

  1. Noun:

    • A type of fish: A cartilaginous fish with a flattened body and large, wing-like pectoral fins.
    • A line of light or energy: A narrow beam of light, heat, or other radiant energy.
    • A line extending from a point: In mathematics, a straight line that starts at a point and extends infinitely in one direction.
    • A part of a structure: One of the bony spines supporting a fish's fin, or the outer part of a compound flower cluster.

  2. Verb:

    • To emit rays: To send out rays of light or energy.
    • To expose to radiation: To treat something with radiation.
    • To spread outward: To extend or spread out from a central point.
Examples

  • Noun:

    • We saw a large ray gliding through the shallow water. (Referring to the fish)
    • A single ray of sunlight broke through the clouds. (Referring to a beam of light)
    • Draw a ray from point A through point B. (Referring to the geometric line)

  • Verb:

    • The lighthouse rays its beacon across the dark sea. (Emitting light)
    • The machine is used to ray the medical equipment for sterilization. (Exposing to radiation)
    • Paths ray out from the central plaza in all directions. (Spreading outward)
Advanced Usage

  • "A ray of hope": A small sign that something positive might happen.

    • The ceasefire agreement offered a ray of hope for the war-torn region.

  • In scientific contexts: Used to describe streams of particles or waves.

    • Gamma rays are a form of high-energy electromagnetic radiation.
Variants and Related Words

  • X-ray (n): A type of high-energy radiation used for imaging.

    • The doctor ordered an X-ray of my chest.

  • Ray gun (n): A fictional weapon that shoots rays of energy.

  • Rayon (n): A synthetic fiber, originally named for its shiny, ray-like appearance.
Synonyms
  • Beam (n): A ray or shaft of light.
  • Emit (v): To send out (light, energy, etc.).
  • Radiate (v): To extend or spread outward from a center.
Related Phrasal Verbs
  • Ray out (v): To spread outward in lines from a central point.
    • The cracks in the glass rayed out from the point of impact.
Related Idioms
  • Not a ray of sunshine: A person who is consistently gloomy or negative.
    • He's been not a ray of sunshine since he lost his job.
ray

A ray swims gracefully through the clear blue ocean.

Noun
  1. cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
  2. any of the stiff bony spines in the fin of a fish
  3. the syllable naming the second (supertonic) note of any major scale in solmization
  4. a group of nearly parallel lines of electromagnetic radiation
  5. (mathematics) a straight line extending from a point
  6. a branch of an umbel or an umbelliform inflorescence
  7. a column of light (as from a beacon)
Verb
  1. expose to radiation
    • irradiate food
  2. extend or spread outward from a center or focus or inward towards a center
    • spokes radiate from the hub of the wheel
    • This plants radiate spines in all directions
  3. emit as rays
    • That tower rays a laser beam for miles across the sky

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