ray of sunshine

ray | American Dictionary

ray
noun[ C ]
us/reɪ/

raynoun[C] (BEAM)

physics
a narrow beam of light, heat, or energy

raynoun[C] (LINE)

geometry
half of a line

raynoun[C] (AMOUNT)

a slight amount or signal of something good:
One couple seems interested in buying our house, which is a ray of hope after all these months.

Examples of ray

ray
In the last two cases the image ray visits only finitely many times.
This is not to say that the visual ray account really does reduce spatial perception to immediacy.
A unique subtype of wide-field amacrine cell region corresponding to eccentricities of 0.6-2.5 mm from the medullary rays.
Consider the rays from the center point to each exterior point.
It is based on the integration of the ray equation and on the calculation of the intensity along the plasma.
In control buds, larvae fed on disc florets and destroyed the developing ovules of most ray florets.
In control buds, larvae destroyed most ray and disc florets and larvae were often found feeding on ovules within developing fruits.
Generation of coherent x-rays in the water window using 5-femtosecond laser pulses.
These techniques, especially ray-tracing, are very close to ray-tracing in visual rendering.
However, unlike the ray trace method, it cannot deal with lines that are self-reversed.
The predictions on extent and duration of cosmic ray emissions vary and are dependent upon the distance of the event.
The model comprises a thermal plasma and cosmic rays.
We assume that the ionized states in the cloud due to cosmic ray bombardment are low.
When cosmic rays encounter hydromagnetic waves or irregularities, they are scattered by the waves.
We adopt the simplest model: a two-fluid model, comprising a thermal plasma and cosmic rays only.
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